Home / 13,552.16-20,292.64-10,905.60

Finding the Fourth Proportional to 13,552.16, 20,292.64 and 10,905.60

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Solution

The fourth proportional to 13,552.16, 20,292.64 and 10,905.60 is: 16,329.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.16 : 20,292.64 = 10,905.60 : x
  2. Step 2: Convert to fraction form
    13,552.16/20,292.64 = 10,905.60/x
  3. Step 3: Cross multiply
    13,552.16x = 20,292.64 × 10,905.60
  4. Step 4: Simplify right side
    13,552.16x = 221,303,414.78
  5. Step 5: Solve for x
    x = 221,303,414.78/13,552.16
  6. Step 6: Final answer
    x = 16,329.75

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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.