Home / 15,524.75-23,289.56-5,138.93

Finding the Fourth Proportional to 15,524.75, 23,289.56 and 5,138.93

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Solution

The fourth proportional to 15,524.75, 23,289.56 and 5,138.93 is: 7,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.75 : 23,289.56 = 5,138.93 : x
  2. Step 2: Convert to fraction form
    15,524.75/23,289.56 = 5,138.93/x
  3. Step 3: Cross multiply
    15,524.75x = 23,289.56 × 5,138.93
  4. Step 4: Simplify right side
    15,524.75x = 119,683,418.57
  5. Step 5: Solve for x
    x = 119,683,418.57/15,524.75
  6. Step 6: Final answer
    x = 7,709.20

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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.