Home / 14,612.48-20,162.24-8,323.20

Finding the Fourth Proportional to 14,612.48, 20,162.24 and 8,323.20

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Solution

The fourth proportional to 14,612.48, 20,162.24 and 8,323.20 is: 11,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.48 : 20,162.24 = 8,323.20 : x
  2. Step 2: Convert to fraction form
    14,612.48/20,162.24 = 8,323.20/x
  3. Step 3: Cross multiply
    14,612.48x = 20,162.24 × 8,323.20
  4. Step 4: Simplify right side
    14,612.48x = 167,814,355.97
  5. Step 5: Solve for x
    x = 167,814,355.97/14,612.48
  6. Step 6: Final answer
    x = 11,484.32

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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.