Home / 43,343.10-65,014.45-13,763.18

Finding the Fourth Proportional to 43,343.10, 65,014.45 and 13,763.18

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Solution

The fourth proportional to 43,343.10, 65,014.45 and 13,763.18 is: 20,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,343.10 : 65,014.45 = 13,763.18 : x
  2. Step 2: Convert to fraction form
    43,343.10/65,014.45 = 13,763.18/x
  3. Step 3: Cross multiply
    43,343.10x = 65,014.45 × 13,763.18
  4. Step 4: Simplify right side
    43,343.10x = 894,805,706.08
  5. Step 5: Solve for x
    x = 894,805,706.08/43,343.10
  6. Step 6: Final answer
    x = 20,644.71

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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.