Home / 25,638.14-38,470.89-10,055.90

Finding the Fourth Proportional to 25,638.14, 38,470.89 and 10,055.90

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Solution

The fourth proportional to 25,638.14, 38,470.89 and 10,055.90 is: 15,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,638.14 : 38,470.89 = 10,055.90 : x
  2. Step 2: Convert to fraction form
    25,638.14/38,470.89 = 10,055.90/x
  3. Step 3: Cross multiply
    25,638.14x = 38,470.89 × 10,055.90
  4. Step 4: Simplify right side
    25,638.14x = 386,859,422.75
  5. Step 5: Solve for x
    x = 386,859,422.75/25,638.14
  6. Step 6: Final answer
    x = 15,089.22

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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.