Home / 18,311.16-25,269.41-9,927.66

Finding the Fourth Proportional to 18,311.16, 25,269.41 and 9,927.66

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Solution

The fourth proportional to 18,311.16, 25,269.41 and 9,927.66 is: 13,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.16 : 25,269.41 = 9,927.66 : x
  2. Step 2: Convert to fraction form
    18,311.16/25,269.41 = 9,927.66/x
  3. Step 3: Cross multiply
    18,311.16x = 25,269.41 × 9,927.66
  4. Step 4: Simplify right side
    18,311.16x = 250,866,061.24
  5. Step 5: Solve for x
    x = 250,866,061.24/18,311.16
  6. Step 6: Final answer
    x = 13,700.17

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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.