Home / 29,160.22-43,742.30-9,918.13

Finding the Fourth Proportional to 29,160.22, 43,742.30 and 9,918.13

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Solution

The fourth proportional to 29,160.22, 43,742.30 and 9,918.13 is: 14,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,160.22 : 43,742.30 = 9,918.13 : x
  2. Step 2: Convert to fraction form
    29,160.22/43,742.30 = 9,918.13/x
  3. Step 3: Cross multiply
    29,160.22x = 43,742.30 × 9,918.13
  4. Step 4: Simplify right side
    29,160.22x = 433,841,817.90
  5. Step 5: Solve for x
    x = 433,841,817.90/29,160.22
  6. Step 6: Final answer
    x = 14,877.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.