Home / 19,876.68-29,788.56-10,514.70

Finding the Fourth Proportional to 19,876.68, 29,788.56 and 10,514.70

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Solution

The fourth proportional to 19,876.68, 29,788.56 and 10,514.70 is: 15,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.68 : 29,788.56 = 10,514.70 : x
  2. Step 2: Convert to fraction form
    19,876.68/29,788.56 = 10,514.70/x
  3. Step 3: Cross multiply
    19,876.68x = 29,788.56 × 10,514.70
  4. Step 4: Simplify right side
    19,876.68x = 313,217,771.83
  5. Step 5: Solve for x
    x = 313,217,771.83/19,876.68
  6. Step 6: Final answer
    x = 15,758.05

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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.