Home / 38,925.87-58,397.02-12,628.58

Finding the Fourth Proportional to 38,925.87, 58,397.02 and 12,628.58

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Solution

The fourth proportional to 38,925.87, 58,397.02 and 12,628.58 is: 18,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,925.87 : 58,397.02 = 12,628.58 : x
  2. Step 2: Convert to fraction form
    38,925.87/58,397.02 = 12,628.58/x
  3. Step 3: Cross multiply
    38,925.87x = 58,397.02 × 12,628.58
  4. Step 4: Simplify right side
    38,925.87x = 737,471,438.83
  5. Step 5: Solve for x
    x = 737,471,438.83/38,925.87
  6. Step 6: Final answer
    x = 18,945.54

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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.