Home / 25,050.43-34,490.91-21,265.75

Finding the Fourth Proportional to 25,050.43, 34,490.91 and 21,265.75

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Solution

The fourth proportional to 25,050.43, 34,490.91 and 21,265.75 is: 29,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,050.43 : 34,490.91 = 21,265.75 : x
  2. Step 2: Convert to fraction form
    25,050.43/34,490.91 = 21,265.75/x
  3. Step 3: Cross multiply
    25,050.43x = 34,490.91 × 21,265.75
  4. Step 4: Simplify right side
    25,050.43x = 733,475,069.33
  5. Step 5: Solve for x
    x = 733,475,069.33/25,050.43
  6. Step 6: Final answer
    x = 29,279.94

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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.