Home / 15,354.28-23,021.34-5,488.48

Finding the Fourth Proportional to 15,354.28, 23,021.34 and 5,488.48

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Solution

The fourth proportional to 15,354.28, 23,021.34 and 5,488.48 is: 8,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,354.28 : 23,021.34 = 5,488.48 : x
  2. Step 2: Convert to fraction form
    15,354.28/23,021.34 = 5,488.48/x
  3. Step 3: Cross multiply
    15,354.28x = 23,021.34 × 5,488.48
  4. Step 4: Simplify right side
    15,354.28x = 126,352,164.16
  5. Step 5: Solve for x
    x = 126,352,164.16/15,354.28
  6. Step 6: Final answer
    x = 8,229.12

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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.