Home / 13,356.14-20,032.16-5,458.37

Finding the Fourth Proportional to 13,356.14, 20,032.16 and 5,458.37

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Solution

The fourth proportional to 13,356.14, 20,032.16 and 5,458.37 is: 8,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.14 : 20,032.16 = 5,458.37 : x
  2. Step 2: Convert to fraction form
    13,356.14/20,032.16 = 5,458.37/x
  3. Step 3: Cross multiply
    13,356.14x = 20,032.16 × 5,458.37
  4. Step 4: Simplify right side
    13,356.14x = 109,342,963.97
  5. Step 5: Solve for x
    x = 109,342,963.97/13,356.14
  6. Step 6: Final answer
    x = 8,186.72

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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.