Home / 22,351.84-30,849.36-12,925.90

Finding the Fourth Proportional to 22,351.84, 30,849.36 and 12,925.90

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Solution

The fourth proportional to 22,351.84, 30,849.36 and 12,925.90 is: 17,839.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,351.84 : 30,849.36 = 12,925.90 : x
  2. Step 2: Convert to fraction form
    22,351.84/30,849.36 = 12,925.90/x
  3. Step 3: Cross multiply
    22,351.84x = 30,849.36 × 12,925.90
  4. Step 4: Simplify right side
    22,351.84x = 398,755,742.42
  5. Step 5: Solve for x
    x = 398,755,742.42/22,351.84
  6. Step 6: Final answer
    x = 17,839.95

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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.