Home / 13,677.83-20,557.04-11,352.72

Finding the Fourth Proportional to 13,677.83, 20,557.04 and 11,352.72

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Solution

The fourth proportional to 13,677.83, 20,557.04 and 11,352.72 is: 17,062.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.83 : 20,557.04 = 11,352.72 : x
  2. Step 2: Convert to fraction form
    13,677.83/20,557.04 = 11,352.72/x
  3. Step 3: Cross multiply
    13,677.83x = 20,557.04 × 11,352.72
  4. Step 4: Simplify right side
    13,677.83x = 233,378,262.39
  5. Step 5: Solve for x
    x = 233,378,262.39/13,677.83
  6. Step 6: Final answer
    x = 17,062.53

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1.5x scale

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.