Home / 18,349.50-25,322.85-9,966.54

Finding the Fourth Proportional to 18,349.50, 25,322.85 and 9,966.54

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Solution

The fourth proportional to 18,349.50, 25,322.85 and 9,966.54 is: 13,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.50 : 25,322.85 = 9,966.54 : x
  2. Step 2: Convert to fraction form
    18,349.50/25,322.85 = 9,966.54/x
  3. Step 3: Cross multiply
    18,349.50x = 25,322.85 × 9,966.54
  4. Step 4: Simplify right side
    18,349.50x = 252,381,197.44
  5. Step 5: Solve for x
    x = 252,381,197.44/18,349.50
  6. Step 6: Final answer
    x = 13,754.12

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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.