Home / 25,162.76-34,710.25-15,598.28

Finding the Fourth Proportional to 25,162.76, 34,710.25 and 15,598.28

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Solution

The fourth proportional to 25,162.76, 34,710.25 and 15,598.28 is: 21,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,162.76 : 34,710.25 = 15,598.28 : x
  2. Step 2: Convert to fraction form
    25,162.76/34,710.25 = 15,598.28/x
  3. Step 3: Cross multiply
    25,162.76x = 34,710.25 × 15,598.28
  4. Step 4: Simplify right side
    25,162.76x = 541,420,198.37
  5. Step 5: Solve for x
    x = 541,420,198.37/25,162.76
  6. Step 6: Final answer
    x = 21,516.73

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Half scale
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Double scale
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Similar ratio
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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.