Home / 15,876.49-23,807.01-4,781.11

Finding the Fourth Proportional to 15,876.49, 23,807.01 and 4,781.11

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Solution

The fourth proportional to 15,876.49, 23,807.01 and 4,781.11 is: 7,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876.49 : 23,807.01 = 4,781.11 : x
  2. Step 2: Convert to fraction form
    15,876.49/23,807.01 = 4,781.11/x
  3. Step 3: Cross multiply
    15,876.49x = 23,807.01 × 4,781.11
  4. Step 4: Simplify right side
    15,876.49x = 113,823,933.58
  5. Step 5: Solve for x
    x = 113,823,933.58/15,876.49
  6. Step 6: Final answer
    x = 7,169.34

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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.