Home / 20,514.32-30,760.52-10,629.08

Finding the Fourth Proportional to 20,514.32, 30,760.52 and 10,629.08

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Solution

The fourth proportional to 20,514.32, 30,760.52 and 10,629.08 is: 15,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.32 : 30,760.52 = 10,629.08 : x
  2. Step 2: Convert to fraction form
    20,514.32/30,760.52 = 10,629.08/x
  3. Step 3: Cross multiply
    20,514.32x = 30,760.52 × 10,629.08
  4. Step 4: Simplify right side
    20,514.32x = 326,956,027.92
  5. Step 5: Solve for x
    x = 326,956,027.92/20,514.32
  6. Step 6: Final answer
    x = 15,937.94

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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.