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Finding the Fourth Proportional to 18,841.83, 26,000.70 and 10,457.83

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Solution

The fourth proportional to 18,841.83, 26,000.70 and 10,457.83 is: 14,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.83 : 26,000.70 = 10,457.83 : x
  2. Step 2: Convert to fraction form
    18,841.83/26,000.70 = 10,457.83/x
  3. Step 3: Cross multiply
    18,841.83x = 26,000.70 × 10,457.83
  4. Step 4: Simplify right side
    18,841.83x = 271,910,848.19
  5. Step 5: Solve for x
    x = 271,910,848.19/18,841.83
  6. Step 6: Final answer
    x = 14,431.23

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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.