Home / 13,951.38-20,934.19-9,274.58

Finding the Fourth Proportional to 13,951.38, 20,934.19 and 9,274.58

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Solution

The fourth proportional to 13,951.38, 20,934.19 and 9,274.58 is: 13,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.38 : 20,934.19 = 9,274.58 : x
  2. Step 2: Convert to fraction form
    13,951.38/20,934.19 = 9,274.58/x
  3. Step 3: Cross multiply
    13,951.38x = 20,934.19 × 9,274.58
  4. Step 4: Simplify right side
    13,951.38x = 194,155,819.89
  5. Step 5: Solve for x
    x = 194,155,819.89/13,951.38
  6. Step 6: Final answer
    x = 13,916.60

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1.5x scale

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.