Home / 38,613.87-57,925.58-13,648.77

Finding the Fourth Proportional to 38,613.87, 57,925.58 and 13,648.77

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Solution

The fourth proportional to 38,613.87, 57,925.58 and 13,648.77 is: 20,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,613.87 : 57,925.58 = 13,648.77 : x
  2. Step 2: Convert to fraction form
    38,613.87/57,925.58 = 13,648.77/x
  3. Step 3: Cross multiply
    38,613.87x = 57,925.58 × 13,648.77
  4. Step 4: Simplify right side
    38,613.87x = 790,612,850.29
  5. Step 5: Solve for x
    x = 790,612,850.29/38,613.87
  6. Step 6: Final answer
    x = 20,474.84

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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.