Home / 23,432.40-32,336.28-12,821.82

Finding the Fourth Proportional to 23,432.40, 32,336.28 and 12,821.82

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Solution

The fourth proportional to 23,432.40, 32,336.28 and 12,821.82 is: 17,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,432.40 : 32,336.28 = 12,821.82 : x
  2. Step 2: Convert to fraction form
    23,432.40/32,336.28 = 12,821.82/x
  3. Step 3: Cross multiply
    23,432.40x = 32,336.28 × 12,821.82
  4. Step 4: Simplify right side
    23,432.40x = 414,609,961.63
  5. Step 5: Solve for x
    x = 414,609,961.63/23,432.40
  6. Step 6: Final answer
    x = 17,693.88

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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.