Home / 25,764.60-38,636.10-8,229.72

Finding the Fourth Proportional to 25,764.60, 38,636.10 and 8,229.72

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Solution

The fourth proportional to 25,764.60, 38,636.10 and 8,229.72 is: 12,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,764.60 : 38,636.10 = 8,229.72 : x
  2. Step 2: Convert to fraction form
    25,764.60/38,636.10 = 8,229.72/x
  3. Step 3: Cross multiply
    25,764.60x = 38,636.10 × 8,229.72
  4. Step 4: Simplify right side
    25,764.60x = 317,964,284.89
  5. Step 5: Solve for x
    x = 317,964,284.89/25,764.60
  6. Step 6: Final answer
    x = 12,341.13

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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.