Home / 14,885.81-20,543.45-9,841.26

Finding the Fourth Proportional to 14,885.81, 20,543.45 and 9,841.26

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Solution

The fourth proportional to 14,885.81, 20,543.45 and 9,841.26 is: 13,581.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.81 : 20,543.45 = 9,841.26 : x
  2. Step 2: Convert to fraction form
    14,885.81/20,543.45 = 9,841.26/x
  3. Step 3: Cross multiply
    14,885.81x = 20,543.45 × 9,841.26
  4. Step 4: Simplify right side
    14,885.81x = 202,173,508.71
  5. Step 5: Solve for x
    x = 202,173,508.71/14,885.81
  6. Step 6: Final answer
    x = 13,581.63

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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.