Home / 17,639.12-26,452.01-7,105.57

Finding the Fourth Proportional to 17,639.12, 26,452.01 and 7,105.57

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Solution

The fourth proportional to 17,639.12, 26,452.01 and 7,105.57 is: 10,655.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.12 : 26,452.01 = 7,105.57 : x
  2. Step 2: Convert to fraction form
    17,639.12/26,452.01 = 7,105.57/x
  3. Step 3: Cross multiply
    17,639.12x = 26,452.01 × 7,105.57
  4. Step 4: Simplify right side
    17,639.12x = 187,956,560.33
  5. Step 5: Solve for x
    x = 187,956,560.33/17,639.12
  6. Step 6: Final answer
    x = 10,655.66

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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.