Home / 15,833.34-21,860.28-10,170.63

Finding the Fourth Proportional to 15,833.34, 21,860.28 and 10,170.63

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Solution

The fourth proportional to 15,833.34, 21,860.28 and 10,170.63 is: 14,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,833.34 : 21,860.28 = 10,170.63 : x
  2. Step 2: Convert to fraction form
    15,833.34/21,860.28 = 10,170.63/x
  3. Step 3: Cross multiply
    15,833.34x = 21,860.28 × 10,170.63
  4. Step 4: Simplify right side
    15,833.34x = 222,332,819.58
  5. Step 5: Solve for x
    x = 222,332,819.58/15,833.34
  6. Step 6: Final answer
    x = 14,042.07

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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.