Home / 22,880.12-34,320.78-7,887.08

Finding the Fourth Proportional to 22,880.12, 34,320.78 and 7,887.08

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Solution

The fourth proportional to 22,880.12, 34,320.78 and 7,887.08 is: 11,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,880.12 : 34,320.78 = 7,887.08 : x
  2. Step 2: Convert to fraction form
    22,880.12/34,320.78 = 7,887.08/x
  3. Step 3: Cross multiply
    22,880.12x = 34,320.78 × 7,887.08
  4. Step 4: Simplify right side
    22,880.12x = 270,690,737.52
  5. Step 5: Solve for x
    x = 270,690,737.52/22,880.12
  6. Step 6: Final answer
    x = 11,830.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.