Home / 15,424.75-23,134.21-7,519.33

Finding the Fourth Proportional to 15,424.75, 23,134.21 and 7,519.33

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Solution

The fourth proportional to 15,424.75, 23,134.21 and 7,519.33 is: 11,277.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424.75 : 23,134.21 = 7,519.33 : x
  2. Step 2: Convert to fraction form
    15,424.75/23,134.21 = 7,519.33/x
  3. Step 3: Cross multiply
    15,424.75x = 23,134.21 × 7,519.33
  4. Step 4: Simplify right side
    15,424.75x = 173,953,639.27
  5. Step 5: Solve for x
    x = 173,953,639.27/15,424.75
  6. Step 6: Final answer
    x = 11,277.57

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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.