Home / 18,357.18-27,532.63-5,206.48

Finding the Fourth Proportional to 18,357.18, 27,532.63 and 5,206.48

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Solution

The fourth proportional to 18,357.18, 27,532.63 and 5,206.48 is: 7,808.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.18 : 27,532.63 = 5,206.48 : x
  2. Step 2: Convert to fraction form
    18,357.18/27,532.63 = 5,206.48/x
  3. Step 3: Cross multiply
    18,357.18x = 27,532.63 × 5,206.48
  4. Step 4: Simplify right side
    18,357.18x = 143,348,087.44
  5. Step 5: Solve for x
    x = 143,348,087.44/18,357.18
  6. Step 6: Final answer
    x = 7,808.83

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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.