Home / 25,171.24-34,749.66-15,742.84

Finding the Fourth Proportional to 25,171.24, 34,749.66 and 15,742.84

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Solution

The fourth proportional to 25,171.24, 34,749.66 and 15,742.84 is: 21,733.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171.24 : 34,749.66 = 15,742.84 : x
  2. Step 2: Convert to fraction form
    25,171.24/34,749.66 = 15,742.84/x
  3. Step 3: Cross multiply
    25,171.24x = 34,749.66 × 15,742.84
  4. Step 4: Simplify right side
    25,171.24x = 547,058,337.43
  5. Step 5: Solve for x
    x = 547,058,337.43/25,171.24
  6. Step 6: Final answer
    x = 21,733.47

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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.