Home / 20,255.24-27,951.28-14,948.12

Finding the Fourth Proportional to 20,255.24, 27,951.28 and 14,948.12

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Solution

The fourth proportional to 20,255.24, 27,951.28 and 14,948.12 is: 20,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255.24 : 27,951.28 = 14,948.12 : x
  2. Step 2: Convert to fraction form
    20,255.24/27,951.28 = 14,948.12/x
  3. Step 3: Cross multiply
    20,255.24x = 27,951.28 × 14,948.12
  4. Step 4: Simplify right side
    20,255.24x = 417,819,087.59
  5. Step 5: Solve for x
    x = 417,819,087.59/20,255.24
  6. Step 6: Final answer
    x = 20,627.70

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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.