Home / 53,249.64-79,886.76-15,808.88

Finding the Fourth Proportional to 53,249.64, 79,886.76 and 15,808.88

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Solution

The fourth proportional to 53,249.64, 79,886.76 and 15,808.88 is: 23,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,249.64 : 79,886.76 = 15,808.88 : x
  2. Step 2: Convert to fraction form
    53,249.64/79,886.76 = 15,808.88/x
  3. Step 3: Cross multiply
    53,249.64x = 79,886.76 × 15,808.88
  4. Step 4: Simplify right side
    53,249.64x = 1,262,920,202.43
  5. Step 5: Solve for x
    x = 1,262,920,202.43/53,249.64
  6. Step 6: Final answer
    x = 23,716.97

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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.