Home / 16,868.71-25,304.28-6,480.46

Finding the Fourth Proportional to 16,868.71, 25,304.28 and 6,480.46

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Solution

The fourth proportional to 16,868.71, 25,304.28 and 6,480.46 is: 9,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.71 : 25,304.28 = 6,480.46 : x
  2. Step 2: Convert to fraction form
    16,868.71/25,304.28 = 6,480.46/x
  3. Step 3: Cross multiply
    16,868.71x = 25,304.28 × 6,480.46
  4. Step 4: Simplify right side
    16,868.71x = 163,983,374.37
  5. Step 5: Solve for x
    x = 163,983,374.37/16,868.71
  6. Step 6: Final answer
    x = 9,721.16

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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.