Home / 18,841.19-26,000.81-10,457.69

Finding the Fourth Proportional to 18,841.19, 26,000.81 and 10,457.69

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Solution

The fourth proportional to 18,841.19, 26,000.81 and 10,457.69 is: 14,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.19 : 26,000.81 = 10,457.69 : x
  2. Step 2: Convert to fraction form
    18,841.19/26,000.81 = 10,457.69/x
  3. Step 3: Cross multiply
    18,841.19x = 26,000.81 × 10,457.69
  4. Step 4: Simplify right side
    18,841.19x = 271,908,228.44
  5. Step 5: Solve for x
    x = 271,908,228.44/18,841.19
  6. Step 6: Final answer
    x = 14,431.59

Related Problems

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Half scale
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Double scale
Find fourth proportional to 18,842.19, 26,002.18 and 10,458.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.