Home / 22,589.28-31,175.34-12,518.16

Finding the Fourth Proportional to 22,589.28, 31,175.34 and 12,518.16

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Solution

The fourth proportional to 22,589.28, 31,175.34 and 12,518.16 is: 17,276.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,589.28 : 31,175.34 = 12,518.16 : x
  2. Step 2: Convert to fraction form
    22,589.28/31,175.34 = 12,518.16/x
  3. Step 3: Cross multiply
    22,589.28x = 31,175.34 × 12,518.16
  4. Step 4: Simplify right side
    22,589.28x = 390,257,894.17
  5. Step 5: Solve for x
    x = 390,257,894.17/22,589.28
  6. Step 6: Final answer
    x = 17,276.24

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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.