Home / 13,039.17-19,559.76-6,458.73

Finding the Fourth Proportional to 13,039.17, 19,559.76 and 6,458.73

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Solution

The fourth proportional to 13,039.17, 19,559.76 and 6,458.73 is: 9,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.17 : 19,559.76 = 6,458.73 : x
  2. Step 2: Convert to fraction form
    13,039.17/19,559.76 = 6,458.73/x
  3. Step 3: Cross multiply
    13,039.17x = 19,559.76 × 6,458.73
  4. Step 4: Simplify right side
    13,039.17x = 126,331,208.70
  5. Step 5: Solve for x
    x = 126,331,208.70/13,039.17
  6. Step 6: Final answer
    x = 9,688.59

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.