Home / 22,220.46-30,658.50-13,264.02

Finding the Fourth Proportional to 22,220.46, 30,658.50 and 13,264.02

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Solution

The fourth proportional to 22,220.46, 30,658.50 and 13,264.02 is: 18,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.46 : 30,658.50 = 13,264.02 : x
  2. Step 2: Convert to fraction form
    22,220.46/30,658.50 = 13,264.02/x
  3. Step 3: Cross multiply
    22,220.46x = 30,658.50 × 13,264.02
  4. Step 4: Simplify right side
    22,220.46x = 406,654,957.17
  5. Step 5: Solve for x
    x = 406,654,957.17/22,220.46
  6. Step 6: Final answer
    x = 18,300.92

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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.