Home / 22,752.14-31,395.75-13,680.14

Finding the Fourth Proportional to 22,752.14, 31,395.75 and 13,680.14

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Solution

The fourth proportional to 22,752.14, 31,395.75 and 13,680.14 is: 18,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,752.14 : 31,395.75 = 13,680.14 : x
  2. Step 2: Convert to fraction form
    22,752.14/31,395.75 = 13,680.14/x
  3. Step 3: Cross multiply
    22,752.14x = 31,395.75 × 13,680.14
  4. Step 4: Simplify right side
    22,752.14x = 429,498,255.41
  5. Step 5: Solve for x
    x = 429,498,255.41/22,752.14
  6. Step 6: Final answer
    x = 18,877.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.