Home / 15,953.20-23,930.04-4,266.28

Finding the Fourth Proportional to 15,953.20, 23,930.04 and 4,266.28

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Solution

The fourth proportional to 15,953.20, 23,930.04 and 4,266.28 is: 6,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.20 : 23,930.04 = 4,266.28 : x
  2. Step 2: Convert to fraction form
    15,953.20/23,930.04 = 4,266.28/x
  3. Step 3: Cross multiply
    15,953.20x = 23,930.04 × 4,266.28
  4. Step 4: Simplify right side
    15,953.20x = 102,092,251.05
  5. Step 5: Solve for x
    x = 102,092,251.05/15,953.20
  6. Step 6: Final answer
    x = 6,399.48

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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.