Home / 18,366.33-27,549.69-7,275.72

Finding the Fourth Proportional to 18,366.33, 27,549.69 and 7,275.72

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Solution

The fourth proportional to 18,366.33, 27,549.69 and 7,275.72 is: 10,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.33 : 27,549.69 = 7,275.72 : x
  2. Step 2: Convert to fraction form
    18,366.33/27,549.69 = 7,275.72/x
  3. Step 3: Cross multiply
    18,366.33x = 27,549.69 × 7,275.72
  4. Step 4: Simplify right side
    18,366.33x = 200,443,830.53
  5. Step 5: Solve for x
    x = 200,443,830.53/18,366.33
  6. Step 6: Final answer
    x = 10,913.66

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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.