Home / 15,012.26-20,711.94-9,041.66

Finding the Fourth Proportional to 15,012.26, 20,711.94 and 9,041.66

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Solution

The fourth proportional to 15,012.26, 20,711.94 and 9,041.66 is: 12,474.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.26 : 20,711.94 = 9,041.66 : x
  2. Step 2: Convert to fraction form
    15,012.26/20,711.94 = 9,041.66/x
  3. Step 3: Cross multiply
    15,012.26x = 20,711.94 × 9,041.66
  4. Step 4: Simplify right side
    15,012.26x = 187,270,319.42
  5. Step 5: Solve for x
    x = 187,270,319.42/15,012.26
  6. Step 6: Final answer
    x = 12,474.49

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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.