Home / 15,698.92-21,641.70-10,968.52

Finding the Fourth Proportional to 15,698.92, 21,641.70 and 10,968.52

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Solution

The fourth proportional to 15,698.92, 21,641.70 and 10,968.52 is: 15,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698.92 : 21,641.70 = 10,968.52 : x
  2. Step 2: Convert to fraction form
    15,698.92/21,641.70 = 10,968.52/x
  3. Step 3: Cross multiply
    15,698.92x = 21,641.70 × 10,968.52
  4. Step 4: Simplify right side
    15,698.92x = 237,377,419.28
  5. Step 5: Solve for x
    x = 237,377,419.28/15,698.92
  6. Step 6: Final answer
    x = 15,120.62

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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.