Home / 14,832.16-20,468.03-8,117.78

Finding the Fourth Proportional to 14,832.16, 20,468.03 and 8,117.78

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Solution

The fourth proportional to 14,832.16, 20,468.03 and 8,117.78 is: 11,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,832.16 : 20,468.03 = 8,117.78 : x
  2. Step 2: Convert to fraction form
    14,832.16/20,468.03 = 8,117.78/x
  3. Step 3: Cross multiply
    14,832.16x = 20,468.03 × 8,117.78
  4. Step 4: Simplify right side
    14,832.16x = 166,154,821.64
  5. Step 5: Solve for x
    x = 166,154,821.64/14,832.16
  6. Step 6: Final answer
    x = 11,202.34

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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.