Home / 15,441.76-23,151.12-7,231.84

Finding the Fourth Proportional to 15,441.76, 23,151.12 and 7,231.84

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Solution

The fourth proportional to 15,441.76, 23,151.12 and 7,231.84 is: 10,842.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.76 : 23,151.12 = 7,231.84 : x
  2. Step 2: Convert to fraction form
    15,441.76/23,151.12 = 7,231.84/x
  3. Step 3: Cross multiply
    15,441.76x = 23,151.12 × 7,231.84
  4. Step 4: Simplify right side
    15,441.76x = 167,425,195.66
  5. Step 5: Solve for x
    x = 167,425,195.66/15,441.76
  6. Step 6: Final answer
    x = 10,842.36

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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.