Home / 20,925.24-28,877.22-11,494.14

Finding the Fourth Proportional to 20,925.24, 28,877.22 and 11,494.14

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Solution

The fourth proportional to 20,925.24, 28,877.22 and 11,494.14 is: 15,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,925.24 : 28,877.22 = 11,494.14 : x
  2. Step 2: Convert to fraction form
    20,925.24/28,877.22 = 11,494.14/x
  3. Step 3: Cross multiply
    20,925.24x = 28,877.22 × 11,494.14
  4. Step 4: Simplify right side
    20,925.24x = 331,918,809.49
  5. Step 5: Solve for x
    x = 331,918,809.49/20,925.24
  6. Step 6: Final answer
    x = 15,862.13

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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.