Home / 22,441.62-30,957.86-13,485.80

Finding the Fourth Proportional to 22,441.62, 30,957.86 and 13,485.80

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Solution

The fourth proportional to 22,441.62, 30,957.86 and 13,485.80 is: 18,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,441.62 : 30,957.86 = 13,485.80 : x
  2. Step 2: Convert to fraction form
    22,441.62/30,957.86 = 13,485.80/x
  3. Step 3: Cross multiply
    22,441.62x = 30,957.86 × 13,485.80
  4. Step 4: Simplify right side
    22,441.62x = 417,491,508.39
  5. Step 5: Solve for x
    x = 417,491,508.39/22,441.62
  6. Step 6: Final answer
    x = 18,603.45

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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.