Home / 18,104.24-24,974.70-13,380.32

Finding the Fourth Proportional to 18,104.24, 24,974.70 and 13,380.32

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Solution

The fourth proportional to 18,104.24, 24,974.70 and 13,380.32 is: 18,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.24 : 24,974.70 = 13,380.32 : x
  2. Step 2: Convert to fraction form
    18,104.24/24,974.70 = 13,380.32/x
  3. Step 3: Cross multiply
    18,104.24x = 24,974.70 × 13,380.32
  4. Step 4: Simplify right side
    18,104.24x = 334,169,490.16
  5. Step 5: Solve for x
    x = 334,169,490.16/18,104.24
  6. Step 6: Final answer
    x = 18,458.08

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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.