Home / 18,565.24-27,820.64-10,643.44

Finding the Fourth Proportional to 18,565.24, 27,820.64 and 10,643.44

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Solution

The fourth proportional to 18,565.24, 27,820.64 and 10,643.44 is: 15,949.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.24 : 27,820.64 = 10,643.44 : x
  2. Step 2: Convert to fraction form
    18,565.24/27,820.64 = 10,643.44/x
  3. Step 3: Cross multiply
    18,565.24x = 27,820.64 × 10,643.44
  4. Step 4: Simplify right side
    18,565.24x = 296,107,312.60
  5. Step 5: Solve for x
    x = 296,107,312.60/18,565.24
  6. Step 6: Final answer
    x = 15,949.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.