Home / 15,025.11-20,732.40-8,564.76

Finding the Fourth Proportional to 15,025.11, 20,732.40 and 8,564.76

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Solution

The fourth proportional to 15,025.11, 20,732.40 and 8,564.76 is: 11,818.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,025.11 : 20,732.40 = 8,564.76 : x
  2. Step 2: Convert to fraction form
    15,025.11/20,732.40 = 8,564.76/x
  3. Step 3: Cross multiply
    15,025.11x = 20,732.40 × 8,564.76
  4. Step 4: Simplify right side
    15,025.11x = 177,568,030.22
  5. Step 5: Solve for x
    x = 177,568,030.22/15,025.11
  6. Step 6: Final answer
    x = 11,818.09

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Half scale
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Double scale
Find fourth proportional to 15,026.11, 20,733.78 and 8,565.76
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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.