Home / 18,656.28-25,748.10-10,696.95

Finding the Fourth Proportional to 18,656.28, 25,748.10 and 10,696.95

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Solution

The fourth proportional to 18,656.28, 25,748.10 and 10,696.95 is: 14,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.28 : 25,748.10 = 10,696.95 : x
  2. Step 2: Convert to fraction form
    18,656.28/25,748.10 = 10,696.95/x
  3. Step 3: Cross multiply
    18,656.28x = 25,748.10 × 10,696.95
  4. Step 4: Simplify right side
    18,656.28x = 275,426,138.30
  5. Step 5: Solve for x
    x = 275,426,138.30/18,656.28
  6. Step 6: Final answer
    x = 14,763.19

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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.