Home / 13,701.12-20,557.54-4,341.90

Finding the Fourth Proportional to 13,701.12, 20,557.54 and 4,341.90

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Solution

The fourth proportional to 13,701.12, 20,557.54 and 4,341.90 is: 6,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.12 : 20,557.54 = 4,341.90 : x
  2. Step 2: Convert to fraction form
    13,701.12/20,557.54 = 4,341.90/x
  3. Step 3: Cross multiply
    13,701.12x = 20,557.54 × 4,341.90
  4. Step 4: Simplify right side
    13,701.12x = 89,258,782.93
  5. Step 5: Solve for x
    x = 89,258,782.93/13,701.12
  6. Step 6: Final answer
    x = 6,514.71

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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.