Home / 15,088.25-20,819.39-8,373.73

Finding the Fourth Proportional to 15,088.25, 20,819.39 and 8,373.73

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Solution

The fourth proportional to 15,088.25, 20,819.39 and 8,373.73 is: 11,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088.25 : 20,819.39 = 8,373.73 : x
  2. Step 2: Convert to fraction form
    15,088.25/20,819.39 = 8,373.73/x
  3. Step 3: Cross multiply
    15,088.25x = 20,819.39 × 8,373.73
  4. Step 4: Simplify right side
    15,088.25x = 174,335,967.51
  5. Step 5: Solve for x
    x = 174,335,967.51/15,088.25
  6. Step 6: Final answer
    x = 11,554.42

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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.