Home / 18,262.80-27,392.08-5,116.23

Finding the Fourth Proportional to 18,262.80, 27,392.08 and 5,116.23

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Solution

The fourth proportional to 18,262.80, 27,392.08 and 5,116.23 is: 7,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.80 : 27,392.08 = 5,116.23 : x
  2. Step 2: Convert to fraction form
    18,262.80/27,392.08 = 5,116.23/x
  3. Step 3: Cross multiply
    18,262.80x = 27,392.08 × 5,116.23
  4. Step 4: Simplify right side
    18,262.80x = 140,144,181.46
  5. Step 5: Solve for x
    x = 140,144,181.46/18,262.80
  6. Step 6: Final answer
    x = 7,673.75

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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.