Home / 13,888.60-20,834.25-4,027.66

Finding the Fourth Proportional to 13,888.60, 20,834.25 and 4,027.66

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Solution

The fourth proportional to 13,888.60, 20,834.25 and 4,027.66 is: 6,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.60 : 20,834.25 = 4,027.66 : x
  2. Step 2: Convert to fraction form
    13,888.60/20,834.25 = 4,027.66/x
  3. Step 3: Cross multiply
    13,888.60x = 20,834.25 × 4,027.66
  4. Step 4: Simplify right side
    13,888.60x = 83,913,275.36
  5. Step 5: Solve for x
    x = 83,913,275.36/13,888.60
  6. Step 6: Final answer
    x = 6,041.88

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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.