Home / 25,772.52-38,663.64-10,191.36

Finding the Fourth Proportional to 25,772.52, 38,663.64 and 10,191.36

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Solution

The fourth proportional to 25,772.52, 38,663.64 and 10,191.36 is: 15,288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,772.52 : 38,663.64 = 10,191.36 : x
  2. Step 2: Convert to fraction form
    25,772.52/38,663.64 = 10,191.36/x
  3. Step 3: Cross multiply
    25,772.52x = 38,663.64 × 10,191.36
  4. Step 4: Simplify right side
    25,772.52x = 394,035,074.15
  5. Step 5: Solve for x
    x = 394,035,074.15/25,772.52
  6. Step 6: Final answer
    x = 15,288.96

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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.