Home / 23,328.70-34,963.89-18,378.79

Finding the Fourth Proportional to 23,328.70, 34,963.89 and 18,378.79

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Solution

The fourth proportional to 23,328.70, 34,963.89 and 18,378.79 is: 27,545.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,328.70 : 34,963.89 = 18,378.79 : x
  2. Step 2: Convert to fraction form
    23,328.70/34,963.89 = 18,378.79/x
  3. Step 3: Cross multiply
    23,328.70x = 34,963.89 × 18,378.79
  4. Step 4: Simplify right side
    23,328.70x = 642,593,991.89
  5. Step 5: Solve for x
    x = 642,593,991.89/23,328.70
  6. Step 6: Final answer
    x = 27,545.21

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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.