Home / 25,700.19-38,542.02-8,165.91

Finding the Fourth Proportional to 25,700.19, 38,542.02 and 8,165.91

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Solution

The fourth proportional to 25,700.19, 38,542.02 and 8,165.91 is: 12,246.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700.19 : 38,542.02 = 8,165.91 : x
  2. Step 2: Convert to fraction form
    25,700.19/38,542.02 = 8,165.91/x
  3. Step 3: Cross multiply
    25,700.19x = 38,542.02 × 8,165.91
  4. Step 4: Simplify right side
    25,700.19x = 314,730,666.54
  5. Step 5: Solve for x
    x = 314,730,666.54/25,700.19
  6. Step 6: Final answer
    x = 12,246.24

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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.