Home / 21,687.35-32,543.33-10,000.58

Finding the Fourth Proportional to 21,687.35, 32,543.33 and 10,000.58

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Solution

The fourth proportional to 21,687.35, 32,543.33 and 10,000.58 is: 15,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,687.35 : 32,543.33 = 10,000.58 : x
  2. Step 2: Convert to fraction form
    21,687.35/32,543.33 = 10,000.58/x
  3. Step 3: Cross multiply
    21,687.35x = 32,543.33 × 10,000.58
  4. Step 4: Simplify right side
    21,687.35x = 325,451,962.41
  5. Step 5: Solve for x
    x = 325,451,962.41/21,687.35
  6. Step 6: Final answer
    x = 15,006.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.