Home / 21,479.60-32,220.22-5,898.44

Finding the Fourth Proportional to 21,479.60, 32,220.22 and 5,898.44

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Solution

The fourth proportional to 21,479.60, 32,220.22 and 5,898.44 is: 8,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,479.60 : 32,220.22 = 5,898.44 : x
  2. Step 2: Convert to fraction form
    21,479.60/32,220.22 = 5,898.44/x
  3. Step 3: Cross multiply
    21,479.60x = 32,220.22 × 5,898.44
  4. Step 4: Simplify right side
    21,479.60x = 190,049,034.46
  5. Step 5: Solve for x
    x = 190,049,034.46/21,479.60
  6. Step 6: Final answer
    x = 8,847.89

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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.