Home / 25,552.80-38,329.20-9,960.30

Finding the Fourth Proportional to 25,552.80, 38,329.20 and 9,960.30

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Solution

The fourth proportional to 25,552.80, 38,329.20 and 9,960.30 is: 14,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,552.80 : 38,329.20 = 9,960.30 : x
  2. Step 2: Convert to fraction form
    25,552.80/38,329.20 = 9,960.30/x
  3. Step 3: Cross multiply
    25,552.80x = 38,329.20 × 9,960.30
  4. Step 4: Simplify right side
    25,552.80x = 381,770,330.76
  5. Step 5: Solve for x
    x = 381,770,330.76/25,552.80
  6. Step 6: Final answer
    x = 14,940.45

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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.