Home / 15,460.92-21,353.82-10,179.36

Finding the Fourth Proportional to 15,460.92, 21,353.82 and 10,179.36

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Solution

The fourth proportional to 15,460.92, 21,353.82 and 10,179.36 is: 14,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.92 : 21,353.82 = 10,179.36 : x
  2. Step 2: Convert to fraction form
    15,460.92/21,353.82 = 10,179.36/x
  3. Step 3: Cross multiply
    15,460.92x = 21,353.82 × 10,179.36
  4. Step 4: Simplify right side
    15,460.92x = 217,368,221.16
  5. Step 5: Solve for x
    x = 217,368,221.16/15,460.92
  6. Step 6: Final answer
    x = 14,059.20

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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.