Home / 18,038.16-27,057.24-12,461.04

Finding the Fourth Proportional to 18,038.16, 27,057.24 and 12,461.04

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Solution

The fourth proportional to 18,038.16, 27,057.24 and 12,461.04 is: 18,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.16 : 27,057.24 = 12,461.04 : x
  2. Step 2: Convert to fraction form
    18,038.16/27,057.24 = 12,461.04/x
  3. Step 3: Cross multiply
    18,038.16x = 27,057.24 × 12,461.04
  4. Step 4: Simplify right side
    18,038.16x = 337,161,349.93
  5. Step 5: Solve for x
    x = 337,161,349.93/18,038.16
  6. Step 6: Final answer
    x = 18,691.56

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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.