Home / 25,140.12-37,652.78-12,001.73

Finding the Fourth Proportional to 25,140.12, 37,652.78 and 12,001.73

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Solution

The fourth proportional to 25,140.12, 37,652.78 and 12,001.73 is: 17,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.12 : 37,652.78 = 12,001.73 : x
  2. Step 2: Convert to fraction form
    25,140.12/37,652.78 = 12,001.73/x
  3. Step 3: Cross multiply
    25,140.12x = 37,652.78 × 12,001.73
  4. Step 4: Simplify right side
    25,140.12x = 451,898,251.04
  5. Step 5: Solve for x
    x = 451,898,251.04/25,140.12
  6. Step 6: Final answer
    x = 17,975.18

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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.