Home / 15,974.16-22,021.92-10,001.76

Finding the Fourth Proportional to 15,974.16, 22,021.92 and 10,001.76

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Solution

The fourth proportional to 15,974.16, 22,021.92 and 10,001.76 is: 13,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974.16 : 22,021.92 = 10,001.76 : x
  2. Step 2: Convert to fraction form
    15,974.16/22,021.92 = 10,001.76/x
  3. Step 3: Cross multiply
    15,974.16x = 22,021.92 × 10,001.76
  4. Step 4: Simplify right side
    15,974.16x = 220,257,958.58
  5. Step 5: Solve for x
    x = 220,257,958.58/15,974.16
  6. Step 6: Final answer
    x = 13,788.39

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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.