Home / 15,860.57-21,874.96-10,195.90

Finding the Fourth Proportional to 15,860.57, 21,874.96 and 10,195.90

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Solution

The fourth proportional to 15,860.57, 21,874.96 and 10,195.90 is: 14,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860.57 : 21,874.96 = 10,195.90 : x
  2. Step 2: Convert to fraction form
    15,860.57/21,874.96 = 10,195.90/x
  3. Step 3: Cross multiply
    15,860.57x = 21,874.96 × 10,195.90
  4. Step 4: Simplify right side
    15,860.57x = 223,034,904.66
  5. Step 5: Solve for x
    x = 223,034,904.66/15,860.57
  6. Step 6: Final answer
    x = 14,062.23

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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.