Home / 15,859.57-21,873.58-10,194.90

Finding the Fourth Proportional to 15,859.57, 21,873.58 and 10,194.90

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Solution

The fourth proportional to 15,859.57, 21,873.58 and 10,194.90 is: 14,060.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.57 : 21,873.58 = 10,194.90 : x
  2. Step 2: Convert to fraction form
    15,859.57/21,873.58 = 10,194.90/x
  3. Step 3: Cross multiply
    15,859.57x = 21,873.58 × 10,194.90
  4. Step 4: Simplify right side
    15,859.57x = 222,998,960.74
  5. Step 5: Solve for x
    x = 222,998,960.74/15,859.57
  6. Step 6: Final answer
    x = 14,060.85

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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.