Home / 22,166.89-30,589.49-12,607.16

Finding the Fourth Proportional to 22,166.89, 30,589.49 and 12,607.16

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Solution

The fourth proportional to 22,166.89, 30,589.49 and 12,607.16 is: 17,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166.89 : 30,589.49 = 12,607.16 : x
  2. Step 2: Convert to fraction form
    22,166.89/30,589.49 = 12,607.16/x
  3. Step 3: Cross multiply
    22,166.89x = 30,589.49 × 12,607.16
  4. Step 4: Simplify right side
    22,166.89x = 385,646,594.75
  5. Step 5: Solve for x
    x = 385,646,594.75/22,166.89
  6. Step 6: Final answer
    x = 17,397.42

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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.