Home / 16,750.45-23,119.77-9,680.95

Finding the Fourth Proportional to 16,750.45, 23,119.77 and 9,680.95

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Solution

The fourth proportional to 16,750.45, 23,119.77 and 9,680.95 is: 13,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750.45 : 23,119.77 = 9,680.95 : x
  2. Step 2: Convert to fraction form
    16,750.45/23,119.77 = 9,680.95/x
  3. Step 3: Cross multiply
    16,750.45x = 23,119.77 × 9,680.95
  4. Step 4: Simplify right side
    16,750.45x = 223,821,337.38
  5. Step 5: Solve for x
    x = 223,821,337.38/16,750.45
  6. Step 6: Final answer
    x = 13,362.11

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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.