Home / 23,433.78-32,337.38-12,821.36

Finding the Fourth Proportional to 23,433.78, 32,337.38 and 12,821.36

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Solution

The fourth proportional to 23,433.78, 32,337.38 and 12,821.36 is: 17,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,433.78 : 32,337.38 = 12,821.36 : x
  2. Step 2: Convert to fraction form
    23,433.78/32,337.38 = 12,821.36/x
  3. Step 3: Cross multiply
    23,433.78x = 32,337.38 × 12,821.36
  4. Step 4: Simplify right side
    23,433.78x = 414,609,261.53
  5. Step 5: Solve for x
    x = 414,609,261.53/23,433.78
  6. Step 6: Final answer
    x = 17,692.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.