Home / 17,508.81-24,162.16-11,221.19

Finding the Fourth Proportional to 17,508.81, 24,162.16 and 11,221.19

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Solution

The fourth proportional to 17,508.81, 24,162.16 and 11,221.19 is: 15,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,508.81 : 24,162.16 = 11,221.19 : x
  2. Step 2: Convert to fraction form
    17,508.81/24,162.16 = 11,221.19/x
  3. Step 3: Cross multiply
    17,508.81x = 24,162.16 × 11,221.19
  4. Step 4: Simplify right side
    17,508.81x = 271,128,188.17
  5. Step 5: Solve for x
    x = 271,128,188.17/17,508.81
  6. Step 6: Final answer
    x = 15,485.24

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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.