Home / 25,464.24-35,119.76-15,391.92

Finding the Fourth Proportional to 25,464.24, 35,119.76 and 15,391.92

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Solution

The fourth proportional to 25,464.24, 35,119.76 and 15,391.92 is: 21,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,464.24 : 35,119.76 = 15,391.92 : x
  2. Step 2: Convert to fraction form
    25,464.24/35,119.76 = 15,391.92/x
  3. Step 3: Cross multiply
    25,464.24x = 35,119.76 × 15,391.92
  4. Step 4: Simplify right side
    25,464.24x = 540,560,536.34
  5. Step 5: Solve for x
    x = 540,560,536.34/25,464.24
  6. Step 6: Final answer
    x = 21,228.22

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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.