Home / 18,342.12-27,517.26-6,655.08

Finding the Fourth Proportional to 18,342.12, 27,517.26 and 6,655.08

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Solution

The fourth proportional to 18,342.12, 27,517.26 and 6,655.08 is: 9,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.12 : 27,517.26 = 6,655.08 : x
  2. Step 2: Convert to fraction form
    18,342.12/27,517.26 = 6,655.08/x
  3. Step 3: Cross multiply
    18,342.12x = 27,517.26 × 6,655.08
  4. Step 4: Simplify right side
    18,342.12x = 183,129,566.68
  5. Step 5: Solve for x
    x = 183,129,566.68/18,342.12
  6. Step 6: Final answer
    x = 9,984.10

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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.