Home / 22,166.90-30,589.48-12,607.16

Finding the Fourth Proportional to 22,166.90, 30,589.48 and 12,607.16

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Solution

The fourth proportional to 22,166.90, 30,589.48 and 12,607.16 is: 17,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166.90 : 30,589.48 = 12,607.16 : x
  2. Step 2: Convert to fraction form
    22,166.90/30,589.48 = 12,607.16/x
  3. Step 3: Cross multiply
    22,166.90x = 30,589.48 × 12,607.16
  4. Step 4: Simplify right side
    22,166.90x = 385,646,468.68
  5. Step 5: Solve for x
    x = 385,646,468.68/22,166.90
  6. Step 6: Final answer
    x = 17,397.40

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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.