Home / 18,275.06-27,412.52-7,173.98

Finding the Fourth Proportional to 18,275.06, 27,412.52 and 7,173.98

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Solution

The fourth proportional to 18,275.06, 27,412.52 and 7,173.98 is: 10,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.06 : 27,412.52 = 7,173.98 : x
  2. Step 2: Convert to fraction form
    18,275.06/27,412.52 = 7,173.98/x
  3. Step 3: Cross multiply
    18,275.06x = 27,412.52 × 7,173.98
  4. Step 4: Simplify right side
    18,275.06x = 196,656,870.23
  5. Step 5: Solve for x
    x = 196,656,870.23/18,275.06
  6. Step 6: Final answer
    x = 10,760.94

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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.