Home / 23,255.84-34,704.10-20,763.92

Finding the Fourth Proportional to 23,255.84, 34,704.10 and 20,763.92

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Solution

The fourth proportional to 23,255.84, 34,704.10 and 20,763.92 is: 30,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,255.84 : 34,704.10 = 20,763.92 : x
  2. Step 2: Convert to fraction form
    23,255.84/34,704.10 = 20,763.92/x
  3. Step 3: Cross multiply
    23,255.84x = 34,704.10 × 20,763.92
  4. Step 4: Simplify right side
    23,255.84x = 720,593,156.07
  5. Step 5: Solve for x
    x = 720,593,156.07/23,255.84
  6. Step 6: Final answer
    x = 30,985.47

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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.