Home / 23,431.30-32,335.19-12,820.93

Finding the Fourth Proportional to 23,431.30, 32,335.19 and 12,820.93

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Solution

The fourth proportional to 23,431.30, 32,335.19 and 12,820.93 is: 17,692.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.30 : 32,335.19 = 12,820.93 : x
  2. Step 2: Convert to fraction form
    23,431.30/32,335.19 = 12,820.93/x
  3. Step 3: Cross multiply
    23,431.30x = 32,335.19 × 12,820.93
  4. Step 4: Simplify right side
    23,431.30x = 414,567,207.53
  5. Step 5: Solve for x
    x = 414,567,207.53/23,431.30
  6. Step 6: Final answer
    x = 17,692.88

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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.