Home / 23,203.75-34,841.16-20,453.60

Finding the Fourth Proportional to 23,203.75, 34,841.16 and 20,453.60

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Solution

The fourth proportional to 23,203.75, 34,841.16 and 20,453.60 is: 30,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,203.75 : 34,841.16 = 20,453.60 : x
  2. Step 2: Convert to fraction form
    23,203.75/34,841.16 = 20,453.60/x
  3. Step 3: Cross multiply
    23,203.75x = 34,841.16 × 20,453.60
  4. Step 4: Simplify right side
    23,203.75x = 712,627,150.18
  5. Step 5: Solve for x
    x = 712,627,150.18/23,203.75
  6. Step 6: Final answer
    x = 30,711.72

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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.