Home / 26,399.11-36,421.65-15,060.43

Finding the Fourth Proportional to 26,399.11, 36,421.65 and 15,060.43

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Solution

The fourth proportional to 26,399.11, 36,421.65 and 15,060.43 is: 20,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,399.11 : 36,421.65 = 15,060.43 : x
  2. Step 2: Convert to fraction form
    26,399.11/36,421.65 = 15,060.43/x
  3. Step 3: Cross multiply
    26,399.11x = 36,421.65 × 15,060.43
  4. Step 4: Simplify right side
    26,399.11x = 548,525,528.20
  5. Step 5: Solve for x
    x = 548,525,528.20/26,399.11
  6. Step 6: Final answer
    x = 20,778.19

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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.