Home / 22,344.45-30,834.13-12,784.52

Finding the Fourth Proportional to 22,344.45, 30,834.13 and 12,784.52

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Solution

The fourth proportional to 22,344.45, 30,834.13 and 12,784.52 is: 17,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,344.45 : 30,834.13 = 12,784.52 : x
  2. Step 2: Convert to fraction form
    22,344.45/30,834.13 = 12,784.52/x
  3. Step 3: Cross multiply
    22,344.45x = 30,834.13 × 12,784.52
  4. Step 4: Simplify right side
    22,344.45x = 394,199,551.67
  5. Step 5: Solve for x
    x = 394,199,551.67/22,344.45
  6. Step 6: Final answer
    x = 17,641.94

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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.