Home / 22,685.85-31,307.52-12,614.16

Finding the Fourth Proportional to 22,685.85, 31,307.52 and 12,614.16

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Solution

The fourth proportional to 22,685.85, 31,307.52 and 12,614.16 is: 17,408.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,685.85 : 31,307.52 = 12,614.16 : x
  2. Step 2: Convert to fraction form
    22,685.85/31,307.52 = 12,614.16/x
  3. Step 3: Cross multiply
    22,685.85x = 31,307.52 × 12,614.16
  4. Step 4: Simplify right side
    22,685.85x = 394,918,066.48
  5. Step 5: Solve for x
    x = 394,918,066.48/22,685.85
  6. Step 6: Final answer
    x = 17,408.12

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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.