Home / 43,343.48-65,014.61-13,760.86

Finding the Fourth Proportional to 43,343.48, 65,014.61 and 13,760.86

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Solution

The fourth proportional to 43,343.48, 65,014.61 and 13,760.86 is: 20,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,343.48 : 65,014.61 = 13,760.86 : x
  2. Step 2: Convert to fraction form
    43,343.48/65,014.61 = 13,760.86/x
  3. Step 3: Cross multiply
    43,343.48x = 65,014.61 × 13,760.86
  4. Step 4: Simplify right side
    43,343.48x = 894,656,946.16
  5. Step 5: Solve for x
    x = 894,656,946.16/43,343.48
  6. Step 6: Final answer
    x = 20,641.10

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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.