Home / 22,260.88-30,717-13,306.48

Finding the Fourth Proportional to 22,260.88, 30,717 and 13,306.48

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Solution

The fourth proportional to 22,260.88, 30,717 and 13,306.48 is: 18,361.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,260.88 : 30,717 = 13,306.48 : x
  2. Step 2: Convert to fraction form
    22,260.88/30,717 = 13,306.48/x
  3. Step 3: Cross multiply
    22,260.88x = 30,717 × 13,306.48
  4. Step 4: Simplify right side
    22,260.88x = 408,735,146.16
  5. Step 5: Solve for x
    x = 408,735,146.16/22,260.88
  6. Step 6: Final answer
    x = 18,361.14

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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.