Home / 22,226.16-30,671.80-12,794.68

Finding the Fourth Proportional to 22,226.16, 30,671.80 and 12,794.68

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Solution

The fourth proportional to 22,226.16, 30,671.80 and 12,794.68 is: 17,656.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.16 : 30,671.80 = 12,794.68 : x
  2. Step 2: Convert to fraction form
    22,226.16/30,671.80 = 12,794.68/x
  3. Step 3: Cross multiply
    22,226.16x = 30,671.80 × 12,794.68
  4. Step 4: Simplify right side
    22,226.16x = 392,435,866.02
  5. Step 5: Solve for x
    x = 392,435,866.02/22,226.16
  6. Step 6: Final answer
    x = 17,656.49

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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.