Home / 14,832.86-20,468.56-8,117.18

Finding the Fourth Proportional to 14,832.86, 20,468.56 and 8,117.18

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Solution

The fourth proportional to 14,832.86, 20,468.56 and 8,117.18 is: 11,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,832.86 : 20,468.56 = 8,117.18 : x
  2. Step 2: Convert to fraction form
    14,832.86/20,468.56 = 8,117.18/x
  3. Step 3: Cross multiply
    14,832.86x = 20,468.56 × 8,117.18
  4. Step 4: Simplify right side
    14,832.86x = 166,146,985.86
  5. Step 5: Solve for x
    x = 166,146,985.86/14,832.86
  6. Step 6: Final answer
    x = 11,201.28

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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.