Home / 25,667.90-38,470.06-14,540.86

Finding the Fourth Proportional to 25,667.90, 38,470.06 and 14,540.86

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Solution

The fourth proportional to 25,667.90, 38,470.06 and 14,540.86 is: 21,793.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667.90 : 38,470.06 = 14,540.86 : x
  2. Step 2: Convert to fraction form
    25,667.90/38,470.06 = 14,540.86/x
  3. Step 3: Cross multiply
    25,667.90x = 38,470.06 × 14,540.86
  4. Step 4: Simplify right side
    25,667.90x = 559,387,606.52
  5. Step 5: Solve for x
    x = 559,387,606.52/25,667.90
  6. Step 6: Final answer
    x = 21,793.28

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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.