Home / 25,143.22-34,698.99-15,073.30

Finding the Fourth Proportional to 25,143.22, 34,698.99 and 15,073.30

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Solution

The fourth proportional to 25,143.22, 34,698.99 and 15,073.30 is: 20,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.22 : 34,698.99 = 15,073.30 : x
  2. Step 2: Convert to fraction form
    25,143.22/34,698.99 = 15,073.30/x
  3. Step 3: Cross multiply
    25,143.22x = 34,698.99 × 15,073.30
  4. Step 4: Simplify right side
    25,143.22x = 523,028,285.97
  5. Step 5: Solve for x
    x = 523,028,285.97/25,143.22
  6. Step 6: Final answer
    x = 20,801.96

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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.