Home / 22,589.27-31,172.28-12,518.13

Finding the Fourth Proportional to 22,589.27, 31,172.28 and 12,518.13

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Solution

The fourth proportional to 22,589.27, 31,172.28 and 12,518.13 is: 17,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,589.27 : 31,172.28 = 12,518.13 : x
  2. Step 2: Convert to fraction form
    22,589.27/31,172.28 = 12,518.13/x
  3. Step 3: Cross multiply
    22,589.27x = 31,172.28 × 12,518.13
  4. Step 4: Simplify right side
    22,589.27x = 390,218,653.44
  5. Step 5: Solve for x
    x = 390,218,653.44/22,589.27
  6. Step 6: Final answer
    x = 17,274.52

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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.