Home / 22,589.25-31,172.28-12,517.84

Finding the Fourth Proportional to 22,589.25, 31,172.28 and 12,517.84

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Solution

The fourth proportional to 22,589.25, 31,172.28 and 12,517.84 is: 17,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,589.25 : 31,172.28 = 12,517.84 : x
  2. Step 2: Convert to fraction form
    22,589.25/31,172.28 = 12,517.84/x
  3. Step 3: Cross multiply
    22,589.25x = 31,172.28 × 12,517.84
  4. Step 4: Simplify right side
    22,589.25x = 390,209,605.50
  5. Step 5: Solve for x
    x = 390,209,605.50/22,589.25
  6. Step 6: Final answer
    x = 17,274.13

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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.