Home / 13,908.60-20,863.18-4,548.66

Finding the Fourth Proportional to 13,908.60, 20,863.18 and 4,548.66

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Solution

The fourth proportional to 13,908.60, 20,863.18 and 4,548.66 is: 6,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.60 : 20,863.18 = 4,548.66 : x
  2. Step 2: Convert to fraction form
    13,908.60/20,863.18 = 4,548.66/x
  3. Step 3: Cross multiply
    13,908.60x = 20,863.18 × 4,548.66
  4. Step 4: Simplify right side
    13,908.60x = 94,899,512.34
  5. Step 5: Solve for x
    x = 94,899,512.34/13,908.60
  6. Step 6: Final answer
    x = 6,823.08

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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.