Home / 22,890.60-34,332.70-7,309.80

Finding the Fourth Proportional to 22,890.60, 34,332.70 and 7,309.80

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Solution

The fourth proportional to 22,890.60, 34,332.70 and 7,309.80 is: 10,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,890.60 : 34,332.70 = 7,309.80 : x
  2. Step 2: Convert to fraction form
    22,890.60/34,332.70 = 7,309.80/x
  3. Step 3: Cross multiply
    22,890.60x = 34,332.70 × 7,309.80
  4. Step 4: Simplify right side
    22,890.60x = 250,965,170.46
  5. Step 5: Solve for x
    x = 250,965,170.46/22,890.60
  6. Step 6: Final answer
    x = 10,963.68

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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.