Home / 25,228.27-34,813.21-15,018.76

Finding the Fourth Proportional to 25,228.27, 34,813.21 and 15,018.76

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Solution

The fourth proportional to 25,228.27, 34,813.21 and 15,018.76 is: 20,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,228.27 : 34,813.21 = 15,018.76 : x
  2. Step 2: Convert to fraction form
    25,228.27/34,813.21 = 15,018.76/x
  3. Step 3: Cross multiply
    25,228.27x = 34,813.21 × 15,018.76
  4. Step 4: Simplify right side
    25,228.27x = 522,851,245.82
  5. Step 5: Solve for x
    x = 522,851,245.82/25,228.27
  6. Step 6: Final answer
    x = 20,724.82

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.