Home / 43,686.30-65,529.45-14,105.10

Finding the Fourth Proportional to 43,686.30, 65,529.45 and 14,105.10

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Solution

The fourth proportional to 43,686.30, 65,529.45 and 14,105.10 is: 21,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,686.30 : 65,529.45 = 14,105.10 : x
  2. Step 2: Convert to fraction form
    43,686.30/65,529.45 = 14,105.10/x
  3. Step 3: Cross multiply
    43,686.30x = 65,529.45 × 14,105.10
  4. Step 4: Simplify right side
    43,686.30x = 924,299,445.20
  5. Step 5: Solve for x
    x = 924,299,445.20/43,686.30
  6. Step 6: Final answer
    x = 21,157.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.