Home / 18,591.93-27,888.84-5,445.36

Finding the Fourth Proportional to 18,591.93, 27,888.84 and 5,445.36

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Solution

The fourth proportional to 18,591.93, 27,888.84 and 5,445.36 is: 8,168.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.93 : 27,888.84 = 5,445.36 : x
  2. Step 2: Convert to fraction form
    18,591.93/27,888.84 = 5,445.36/x
  3. Step 3: Cross multiply
    18,591.93x = 27,888.84 × 5,445.36
  4. Step 4: Simplify right side
    18,591.93x = 151,864,773.78
  5. Step 5: Solve for x
    x = 151,864,773.78/18,591.93
  6. Step 6: Final answer
    x = 8,168.32

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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.