Home / 23,188.24-34,614.40-20,385.76

Finding the Fourth Proportional to 23,188.24, 34,614.40 and 20,385.76

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Solution

The fourth proportional to 23,188.24, 34,614.40 and 20,385.76 is: 30,430.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,188.24 : 34,614.40 = 20,385.76 : x
  2. Step 2: Convert to fraction form
    23,188.24/34,614.40 = 20,385.76/x
  3. Step 3: Cross multiply
    23,188.24x = 34,614.40 × 20,385.76
  4. Step 4: Simplify right side
    23,188.24x = 705,640,850.94
  5. Step 5: Solve for x
    x = 705,640,850.94/23,188.24
  6. Step 6: Final answer
    x = 30,430.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.