Home / 13,646.54-20,471.03-5,853.53

Finding the Fourth Proportional to 13,646.54, 20,471.03 and 5,853.53

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Solution

The fourth proportional to 13,646.54, 20,471.03 and 5,853.53 is: 8,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.54 : 20,471.03 = 5,853.53 : x
  2. Step 2: Convert to fraction form
    13,646.54/20,471.03 = 5,853.53/x
  3. Step 3: Cross multiply
    13,646.54x = 20,471.03 × 5,853.53
  4. Step 4: Simplify right side
    13,646.54x = 119,827,788.24
  5. Step 5: Solve for x
    x = 119,827,788.24/13,646.54
  6. Step 6: Final answer
    x = 8,780.82

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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.