Home / 23,040.45-34,528.21-18,339.55

Finding the Fourth Proportional to 23,040.45, 34,528.21 and 18,339.55

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Solution

The fourth proportional to 23,040.45, 34,528.21 and 18,339.55 is: 27,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,040.45 : 34,528.21 = 18,339.55 : x
  2. Step 2: Convert to fraction form
    23,040.45/34,528.21 = 18,339.55/x
  3. Step 3: Cross multiply
    23,040.45x = 34,528.21 × 18,339.55
  4. Step 4: Simplify right side
    23,040.45x = 633,231,701.54
  5. Step 5: Solve for x
    x = 633,231,701.54/23,040.45
  6. Step 6: Final answer
    x = 27,483.48

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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.