Home / 13,045.76-18,002.66-8,010.19

Finding the Fourth Proportional to 13,045.76, 18,002.66 and 8,010.19

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Solution

The fourth proportional to 13,045.76, 18,002.66 and 8,010.19 is: 11,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.76 : 18,002.66 = 8,010.19 : x
  2. Step 2: Convert to fraction form
    13,045.76/18,002.66 = 8,010.19/x
  3. Step 3: Cross multiply
    13,045.76x = 18,002.66 × 8,010.19
  4. Step 4: Simplify right side
    13,045.76x = 144,204,709.56
  5. Step 5: Solve for x
    x = 144,204,709.56/13,045.76
  6. Step 6: Final answer
    x = 11,053.76

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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.