Home / 25,404.42-38,036.22-19,145.48

Finding the Fourth Proportional to 25,404.42, 38,036.22 and 19,145.48

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Solution

The fourth proportional to 25,404.42, 38,036.22 and 19,145.48 is: 28,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,404.42 : 38,036.22 = 19,145.48 : x
  2. Step 2: Convert to fraction form
    25,404.42/38,036.22 = 19,145.48/x
  3. Step 3: Cross multiply
    25,404.42x = 38,036.22 × 19,145.48
  4. Step 4: Simplify right side
    25,404.42x = 728,221,689.29
  5. Step 5: Solve for x
    x = 728,221,689.29/25,404.42
  6. Step 6: Final answer
    x = 28,665.16

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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.