Home / 16,695.75-23,040.15-9,243.75

Finding the Fourth Proportional to 16,695.75, 23,040.15 and 9,243.75

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Solution

The fourth proportional to 16,695.75, 23,040.15 and 9,243.75 is: 12,756.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,695.75 : 23,040.15 = 9,243.75 : x
  2. Step 2: Convert to fraction form
    16,695.75/23,040.15 = 9,243.75/x
  3. Step 3: Cross multiply
    16,695.75x = 23,040.15 × 9,243.75
  4. Step 4: Simplify right side
    16,695.75x = 212,977,386.56
  5. Step 5: Solve for x
    x = 212,977,386.56/16,695.75
  6. Step 6: Final answer
    x = 12,756.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.