Home / 25,742.93-35,514.68-15,663.29

Finding the Fourth Proportional to 25,742.93, 35,514.68 and 15,663.29

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Solution

The fourth proportional to 25,742.93, 35,514.68 and 15,663.29 is: 21,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,742.93 : 35,514.68 = 15,663.29 : x
  2. Step 2: Convert to fraction form
    25,742.93/35,514.68 = 15,663.29/x
  3. Step 3: Cross multiply
    25,742.93x = 35,514.68 × 15,663.29
  4. Step 4: Simplify right side
    25,742.93x = 556,276,732.10
  5. Step 5: Solve for x
    x = 556,276,732.10/25,742.93
  6. Step 6: Final answer
    x = 21,608.91

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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.