Home / 18,104.74-24,983.16-10,145.42

Finding the Fourth Proportional to 18,104.74, 24,983.16 and 10,145.42

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Solution

The fourth proportional to 18,104.74, 24,983.16 and 10,145.42 is: 13,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.74 : 24,983.16 = 10,145.42 : x
  2. Step 2: Convert to fraction form
    18,104.74/24,983.16 = 10,145.42/x
  3. Step 3: Cross multiply
    18,104.74x = 24,983.16 × 10,145.42
  4. Step 4: Simplify right side
    18,104.74x = 253,464,651.13
  5. Step 5: Solve for x
    x = 253,464,651.13/18,104.74
  6. Step 6: Final answer
    x = 13,999.91

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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.