Home / 22,525.20-31,084.62-12,589.20

Finding the Fourth Proportional to 22,525.20, 31,084.62 and 12,589.20

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Solution

The fourth proportional to 22,525.20, 31,084.62 and 12,589.20 is: 17,373.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,525.20 : 31,084.62 = 12,589.20 : x
  2. Step 2: Convert to fraction form
    22,525.20/31,084.62 = 12,589.20/x
  3. Step 3: Cross multiply
    22,525.20x = 31,084.62 × 12,589.20
  4. Step 4: Simplify right side
    22,525.20x = 391,330,498.10
  5. Step 5: Solve for x
    x = 391,330,498.10/22,525.20
  6. Step 6: Final answer
    x = 17,373.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.