Home / 15,937.76-21,993.72-9,222.46

Finding the Fourth Proportional to 15,937.76, 21,993.72 and 9,222.46

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Solution

The fourth proportional to 15,937.76, 21,993.72 and 9,222.46 is: 12,726.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.76 : 21,993.72 = 9,222.46 : x
  2. Step 2: Convert to fraction form
    15,937.76/21,993.72 = 9,222.46/x
  3. Step 3: Cross multiply
    15,937.76x = 21,993.72 × 9,222.46
  4. Step 4: Simplify right side
    15,937.76x = 202,836,202.95
  5. Step 5: Solve for x
    x = 202,836,202.95/15,937.76
  6. Step 6: Final answer
    x = 12,726.77

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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.