Home / 25,296.43-34,911.80-15,868.03

Finding the Fourth Proportional to 25,296.43, 34,911.80 and 15,868.03

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Solution

The fourth proportional to 25,296.43, 34,911.80 and 15,868.03 is: 21,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,296.43 : 34,911.80 = 15,868.03 : x
  2. Step 2: Convert to fraction form
    25,296.43/34,911.80 = 15,868.03/x
  3. Step 3: Cross multiply
    25,296.43x = 34,911.80 × 15,868.03
  4. Step 4: Simplify right side
    25,296.43x = 553,981,489.75
  5. Step 5: Solve for x
    x = 553,981,489.75/25,296.43
  6. Step 6: Final answer
    x = 21,899.59

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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.