Home / 22,132.80-30,543.60-12,061.23

Finding the Fourth Proportional to 22,132.80, 30,543.60 and 12,061.23

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Solution

The fourth proportional to 22,132.80, 30,543.60 and 12,061.23 is: 16,644.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,132.80 : 30,543.60 = 12,061.23 : x
  2. Step 2: Convert to fraction form
    22,132.80/30,543.60 = 12,061.23/x
  3. Step 3: Cross multiply
    22,132.80x = 30,543.60 × 12,061.23
  4. Step 4: Simplify right side
    22,132.80x = 368,393,384.63
  5. Step 5: Solve for x
    x = 368,393,384.63/22,132.80
  6. Step 6: Final answer
    x = 16,644.68

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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.