Home / 22,120.56-33,158.76-12,264.24

Finding the Fourth Proportional to 22,120.56, 33,158.76 and 12,264.24

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Solution

The fourth proportional to 22,120.56, 33,158.76 and 12,264.24 is: 18,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.56 : 33,158.76 = 12,264.24 : x
  2. Step 2: Convert to fraction form
    22,120.56/33,158.76 = 12,264.24/x
  3. Step 3: Cross multiply
    22,120.56x = 33,158.76 × 12,264.24
  4. Step 4: Simplify right side
    22,120.56x = 406,666,990.74
  5. Step 5: Solve for x
    x = 406,666,990.74/22,120.56
  6. Step 6: Final answer
    x = 18,384.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.