Home / 14,612.40-20,164.52-8,324.24

Finding the Fourth Proportional to 14,612.40, 20,164.52 and 8,324.24

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Solution

The fourth proportional to 14,612.40, 20,164.52 and 8,324.24 is: 11,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.40 : 20,164.52 = 8,324.24 : x
  2. Step 2: Convert to fraction form
    14,612.40/20,164.52 = 8,324.24/x
  3. Step 3: Cross multiply
    14,612.40x = 20,164.52 × 8,324.24
  4. Step 4: Simplify right side
    14,612.40x = 167,854,303.96
  5. Step 5: Solve for x
    x = 167,854,303.96/14,612.40
  6. Step 6: Final answer
    x = 11,487.11

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