Home / 15,434.02-23,163.99-12,375.46

Finding the Fourth Proportional to 15,434.02, 23,163.99 and 12,375.46

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Solution

The fourth proportional to 15,434.02, 23,163.99 and 12,375.46 is: 18,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.02 : 23,163.99 = 12,375.46 : x
  2. Step 2: Convert to fraction form
    15,434.02/23,163.99 = 12,375.46/x
  3. Step 3: Cross multiply
    15,434.02x = 23,163.99 × 12,375.46
  4. Step 4: Simplify right side
    15,434.02x = 286,665,031.69
  5. Step 5: Solve for x
    x = 286,665,031.69/15,434.02
  6. Step 6: Final answer
    x = 18,573.58

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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.