Home / 15,118.68-22,581.24-12,002.25

Finding the Fourth Proportional to 15,118.68, 22,581.24 and 12,002.25

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Solution

The fourth proportional to 15,118.68, 22,581.24 and 12,002.25 is: 17,926.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118.68 : 22,581.24 = 12,002.25 : x
  2. Step 2: Convert to fraction form
    15,118.68/22,581.24 = 12,002.25/x
  3. Step 3: Cross multiply
    15,118.68x = 22,581.24 × 12,002.25
  4. Step 4: Simplify right side
    15,118.68x = 271,025,687.79
  5. Step 5: Solve for x
    x = 271,025,687.79/15,118.68
  6. Step 6: Final answer
    x = 17,926.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.