Home / 18,311.06-25,269.27-9,927.56

Finding the Fourth Proportional to 18,311.06, 25,269.27 and 9,927.56

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Solution

The fourth proportional to 18,311.06, 25,269.27 and 9,927.56 is: 13,700.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.06 : 25,269.27 = 9,927.56 : x
  2. Step 2: Convert to fraction form
    18,311.06/25,269.27 = 9,927.56/x
  3. Step 3: Cross multiply
    18,311.06x = 25,269.27 × 9,927.56
  4. Step 4: Simplify right side
    18,311.06x = 250,862,220.03
  5. Step 5: Solve for x
    x = 250,862,220.03/18,311.06
  6. Step 6: Final answer
    x = 13,700.04

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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.