Home / 25,067.10-34,513.68-21,282.78

Finding the Fourth Proportional to 25,067.10, 34,513.68 and 21,282.78

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Solution

The fourth proportional to 25,067.10, 34,513.68 and 21,282.78 is: 29,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,067.10 : 34,513.68 = 21,282.78 : x
  2. Step 2: Convert to fraction form
    25,067.10/34,513.68 = 21,282.78/x
  3. Step 3: Cross multiply
    25,067.10x = 34,513.68 × 21,282.78
  4. Step 4: Simplify right side
    25,067.10x = 734,547,058.43
  5. Step 5: Solve for x
    x = 734,547,058.43/25,067.10
  6. Step 6: Final answer
    x = 29,303.23

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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.