Home / 15,776.03-23,663.84-3,929.90

Finding the Fourth Proportional to 15,776.03, 23,663.84 and 3,929.90

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Solution

The fourth proportional to 15,776.03, 23,663.84 and 3,929.90 is: 5,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776.03 : 23,663.84 = 3,929.90 : x
  2. Step 2: Convert to fraction form
    15,776.03/23,663.84 = 3,929.90/x
  3. Step 3: Cross multiply
    15,776.03x = 23,663.84 × 3,929.90
  4. Step 4: Simplify right side
    15,776.03x = 92,996,386.85
  5. Step 5: Solve for x
    x = 92,996,386.85/15,776.03
  6. Step 6: Final answer
    x = 5,894.79

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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.