Home / 22,162.62-33,114.13-21,387.45

Finding the Fourth Proportional to 22,162.62, 33,114.13 and 21,387.45

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Solution

The fourth proportional to 22,162.62, 33,114.13 and 21,387.45 is: 31,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,162.62 : 33,114.13 = 21,387.45 : x
  2. Step 2: Convert to fraction form
    22,162.62/33,114.13 = 21,387.45/x
  3. Step 3: Cross multiply
    22,162.62x = 33,114.13 × 21,387.45
  4. Step 4: Simplify right side
    22,162.62x = 708,226,799.67
  5. Step 5: Solve for x
    x = 708,226,799.67/22,162.62
  6. Step 6: Final answer
    x = 31,955.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.