Home / 31,294.13-43,186.46-16,954.25

Finding the Fourth Proportional to 31,294.13, 43,186.46 and 16,954.25

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Solution

The fourth proportional to 31,294.13, 43,186.46 and 16,954.25 is: 23,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,294.13 : 43,186.46 = 16,954.25 : x
  2. Step 2: Convert to fraction form
    31,294.13/43,186.46 = 16,954.25/x
  3. Step 3: Cross multiply
    31,294.13x = 43,186.46 × 16,954.25
  4. Step 4: Simplify right side
    31,294.13x = 732,193,738.75
  5. Step 5: Solve for x
    x = 732,193,738.75/31,294.13
  6. Step 6: Final answer
    x = 23,397.16

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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.