Home / 15,390.57-23,067.63-7,063.56

Finding the Fourth Proportional to 15,390.57, 23,067.63 and 7,063.56

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Solution

The fourth proportional to 15,390.57, 23,067.63 and 7,063.56 is: 10,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390.57 : 23,067.63 = 7,063.56 : x
  2. Step 2: Convert to fraction form
    15,390.57/23,067.63 = 7,063.56/x
  3. Step 3: Cross multiply
    15,390.57x = 23,067.63 × 7,063.56
  4. Step 4: Simplify right side
    15,390.57x = 162,939,588.56
  5. Step 5: Solve for x
    x = 162,939,588.56/15,390.57
  6. Step 6: Final answer
    x = 10,586.98

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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.