Home / 21,828.08-32,736.12-8,498.96

Finding the Fourth Proportional to 21,828.08, 32,736.12 and 8,498.96

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Solution

The fourth proportional to 21,828.08, 32,736.12 and 8,498.96 is: 12,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,828.08 : 32,736.12 = 8,498.96 : x
  2. Step 2: Convert to fraction form
    21,828.08/32,736.12 = 8,498.96/x
  3. Step 3: Cross multiply
    21,828.08x = 32,736.12 × 8,498.96
  4. Step 4: Simplify right side
    21,828.08x = 278,222,974.44
  5. Step 5: Solve for x
    x = 278,222,974.44/21,828.08
  6. Step 6: Final answer
    x = 12,746.10

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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.