Home / 25,387.20-38,088.57-11,359.02

Finding the Fourth Proportional to 25,387.20, 38,088.57 and 11,359.02

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Solution

The fourth proportional to 25,387.20, 38,088.57 and 11,359.02 is: 17,042.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,387.20 : 38,088.57 = 11,359.02 : x
  2. Step 2: Convert to fraction form
    25,387.20/38,088.57 = 11,359.02/x
  3. Step 3: Cross multiply
    25,387.20x = 38,088.57 × 11,359.02
  4. Step 4: Simplify right side
    25,387.20x = 432,648,828.40
  5. Step 5: Solve for x
    x = 432,648,828.40/25,387.20
  6. Step 6: Final answer
    x = 17,042.01

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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.