Home / 13,596.52-20,400.82-5,277.18

Finding the Fourth Proportional to 13,596.52, 20,400.82 and 5,277.18

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Solution

The fourth proportional to 13,596.52, 20,400.82 and 5,277.18 is: 7,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.52 : 20,400.82 = 5,277.18 : x
  2. Step 2: Convert to fraction form
    13,596.52/20,400.82 = 5,277.18/x
  3. Step 3: Cross multiply
    13,596.52x = 20,400.82 × 5,277.18
  4. Step 4: Simplify right side
    13,596.52x = 107,658,799.29
  5. Step 5: Solve for x
    x = 107,658,799.29/13,596.52
  6. Step 6: Final answer
    x = 7,918.11

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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.