Home / 25,215.30-34,782.66-15,767.46

Finding the Fourth Proportional to 25,215.30, 34,782.66 and 15,767.46

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Solution

The fourth proportional to 25,215.30, 34,782.66 and 15,767.46 is: 21,750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.30 : 34,782.66 = 15,767.46 : x
  2. Step 2: Convert to fraction form
    25,215.30/34,782.66 = 15,767.46/x
  3. Step 3: Cross multiply
    25,215.30x = 34,782.66 × 15,767.46
  4. Step 4: Simplify right side
    25,215.30x = 548,434,200.24
  5. Step 5: Solve for x
    x = 548,434,200.24/25,215.30
  6. Step 6: Final answer
    x = 21,750.06

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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.