Home / 17,406.80-26,114.14-5,720.12

Finding the Fourth Proportional to 17,406.80, 26,114.14 and 5,720.12

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Solution

The fourth proportional to 17,406.80, 26,114.14 and 5,720.12 is: 8,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,406.80 : 26,114.14 = 5,720.12 : x
  2. Step 2: Convert to fraction form
    17,406.80/26,114.14 = 5,720.12/x
  3. Step 3: Cross multiply
    17,406.80x = 26,114.14 × 5,720.12
  4. Step 4: Simplify right side
    17,406.80x = 149,375,883.93
  5. Step 5: Solve for x
    x = 149,375,883.93/17,406.80
  6. Step 6: Final answer
    x = 8,581.47

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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.