Home / 25,550.75-38,330.76-10,557.90

Finding the Fourth Proportional to 25,550.75, 38,330.76 and 10,557.90

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Solution

The fourth proportional to 25,550.75, 38,330.76 and 10,557.90 is: 15,838.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550.75 : 38,330.76 = 10,557.90 : x
  2. Step 2: Convert to fraction form
    25,550.75/38,330.76 = 10,557.90/x
  3. Step 3: Cross multiply
    25,550.75x = 38,330.76 × 10,557.90
  4. Step 4: Simplify right side
    25,550.75x = 404,692,331.00
  5. Step 5: Solve for x
    x = 404,692,331.00/25,550.75
  6. Step 6: Final answer
    x = 15,838.77

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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.