Home / 15,497.28-23,203.32-10,821.96

Finding the Fourth Proportional to 15,497.28, 23,203.32 and 10,821.96

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Solution

The fourth proportional to 15,497.28, 23,203.32 and 10,821.96 is: 16,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,497.28 : 23,203.32 = 10,821.96 : x
  2. Step 2: Convert to fraction form
    15,497.28/23,203.32 = 10,821.96/x
  3. Step 3: Cross multiply
    15,497.28x = 23,203.32 × 10,821.96
  4. Step 4: Simplify right side
    15,497.28x = 251,105,400.91
  5. Step 5: Solve for x
    x = 251,105,400.91/15,497.28
  6. Step 6: Final answer
    x = 16,203.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.