Home / 22,522.86-31,079.97-12,962.16

Finding the Fourth Proportional to 22,522.86, 31,079.97 and 12,962.16

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Solution

The fourth proportional to 22,522.86, 31,079.97 and 12,962.16 is: 17,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,522.86 : 31,079.97 = 12,962.16 : x
  2. Step 2: Convert to fraction form
    22,522.86/31,079.97 = 12,962.16/x
  3. Step 3: Cross multiply
    22,522.86x = 31,079.97 × 12,962.16
  4. Step 4: Simplify right side
    22,522.86x = 402,863,543.94
  5. Step 5: Solve for x
    x = 402,863,543.94/22,522.86
  6. Step 6: Final answer
    x = 17,886.87

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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.