Home / 15,425.48-23,138.36-3,738.71

Finding the Fourth Proportional to 15,425.48, 23,138.36 and 3,738.71

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Solution

The fourth proportional to 15,425.48, 23,138.36 and 3,738.71 is: 5,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,425.48 : 23,138.36 = 3,738.71 : x
  2. Step 2: Convert to fraction form
    15,425.48/23,138.36 = 3,738.71/x
  3. Step 3: Cross multiply
    15,425.48x = 23,138.36 × 3,738.71
  4. Step 4: Simplify right side
    15,425.48x = 86,507,617.92
  5. Step 5: Solve for x
    x = 86,507,617.92/15,425.48
  6. Step 6: Final answer
    x = 5,608.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.