Home / 18,655.28-25,746.75-10,695.95

Finding the Fourth Proportional to 18,655.28, 25,746.75 and 10,695.95

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Solution

The fourth proportional to 18,655.28, 25,746.75 and 10,695.95 is: 14,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655.28 : 25,746.75 = 10,695.95 : x
  2. Step 2: Convert to fraction form
    18,655.28/25,746.75 = 10,695.95/x
  3. Step 3: Cross multiply
    18,655.28x = 25,746.75 × 10,695.95
  4. Step 4: Simplify right side
    18,655.28x = 275,385,897.18
  5. Step 5: Solve for x
    x = 275,385,897.18/18,655.28
  6. Step 6: Final answer
    x = 14,761.82

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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.