Home / 18,384.40-27,568.44-5,233.78

Finding the Fourth Proportional to 18,384.40, 27,568.44 and 5,233.78

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Solution

The fourth proportional to 18,384.40, 27,568.44 and 5,233.78 is: 7,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.40 : 27,568.44 = 5,233.78 : x
  2. Step 2: Convert to fraction form
    18,384.40/27,568.44 = 5,233.78/x
  3. Step 3: Cross multiply
    18,384.40x = 27,568.44 × 5,233.78
  4. Step 4: Simplify right side
    18,384.40x = 144,287,149.90
  5. Step 5: Solve for x
    x = 144,287,149.90/18,384.40
  6. Step 6: Final answer
    x = 7,848.35

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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.