Home / 43,343.01-65,016.77-13,763.16

Finding the Fourth Proportional to 43,343.01, 65,016.77 and 13,763.16

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Solution

The fourth proportional to 43,343.01, 65,016.77 and 13,763.16 is: 20,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,343.01 : 65,016.77 = 13,763.16 : x
  2. Step 2: Convert to fraction form
    43,343.01/65,016.77 = 13,763.16/x
  3. Step 3: Cross multiply
    43,343.01x = 65,016.77 × 13,763.16
  4. Step 4: Simplify right side
    43,343.01x = 894,836,139.38
  5. Step 5: Solve for x
    x = 894,836,139.38/43,343.01
  6. Step 6: Final answer
    x = 20,645.45

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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.