Home / 18,463.20-25,471.98-11,377.32

Finding the Fourth Proportional to 18,463.20, 25,471.98 and 11,377.32

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Solution

The fourth proportional to 18,463.20, 25,471.98 and 11,377.32 is: 15,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.20 : 25,471.98 = 11,377.32 : x
  2. Step 2: Convert to fraction form
    18,463.20/25,471.98 = 11,377.32/x
  3. Step 3: Cross multiply
    18,463.20x = 25,471.98 × 11,377.32
  4. Step 4: Simplify right side
    18,463.20x = 289,802,867.49
  5. Step 5: Solve for x
    x = 289,802,867.49/18,463.20
  6. Step 6: Final answer
    x = 15,696.24

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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.