Home / 18,278.52-25,222.95-10,321.44

Finding the Fourth Proportional to 18,278.52, 25,222.95 and 10,321.44

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Solution

The fourth proportional to 18,278.52, 25,222.95 and 10,321.44 is: 14,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.52 : 25,222.95 = 10,321.44 : x
  2. Step 2: Convert to fraction form
    18,278.52/25,222.95 = 10,321.44/x
  3. Step 3: Cross multiply
    18,278.52x = 25,222.95 × 10,321.44
  4. Step 4: Simplify right side
    18,278.52x = 260,337,165.05
  5. Step 5: Solve for x
    x = 260,337,165.05/18,278.52
  6. Step 6: Final answer
    x = 14,242.79

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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.