Home / 38,616.20-57,925.38-13,652.72

Finding the Fourth Proportional to 38,616.20, 57,925.38 and 13,652.72

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Solution

The fourth proportional to 38,616.20, 57,925.38 and 13,652.72 is: 20,479.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,616.20 : 57,925.38 = 13,652.72 : x
  2. Step 2: Convert to fraction form
    38,616.20/57,925.38 = 13,652.72/x
  3. Step 3: Cross multiply
    38,616.20x = 57,925.38 × 13,652.72
  4. Step 4: Simplify right side
    38,616.20x = 790,838,994.03
  5. Step 5: Solve for x
    x = 790,838,994.03/38,616.20
  6. Step 6: Final answer
    x = 20,479.46

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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.