Home / 17,581.20-24,273.37-15,689.53

Finding the Fourth Proportional to 17,581.20, 24,273.37 and 15,689.53

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Solution

The fourth proportional to 17,581.20, 24,273.37 and 15,689.53 is: 21,661.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,581.20 : 24,273.37 = 15,689.53 : x
  2. Step 2: Convert to fraction form
    17,581.20/24,273.37 = 15,689.53/x
  3. Step 3: Cross multiply
    17,581.20x = 24,273.37 × 15,689.53
  4. Step 4: Simplify right side
    17,581.20x = 380,837,816.77
  5. Step 5: Solve for x
    x = 380,837,816.77/17,581.20
  6. Step 6: Final answer
    x = 21,661.66

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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.