Home / 13,663.24-20,494.86-9,045.16

Finding the Fourth Proportional to 13,663.24, 20,494.86 and 9,045.16

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Solution

The fourth proportional to 13,663.24, 20,494.86 and 9,045.16 is: 13,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.24 : 20,494.86 = 9,045.16 : x
  2. Step 2: Convert to fraction form
    13,663.24/20,494.86 = 9,045.16/x
  3. Step 3: Cross multiply
    13,663.24x = 20,494.86 × 9,045.16
  4. Step 4: Simplify right side
    13,663.24x = 185,379,287.88
  5. Step 5: Solve for x
    x = 185,379,287.88/13,663.24
  6. Step 6: Final answer
    x = 13,567.74

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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.