Home / 22,406.16-30,920.27-12,334.39

Finding the Fourth Proportional to 22,406.16, 30,920.27 and 12,334.39

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Solution

The fourth proportional to 22,406.16, 30,920.27 and 12,334.39 is: 17,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,406.16 : 30,920.27 = 12,334.39 : x
  2. Step 2: Convert to fraction form
    22,406.16/30,920.27 = 12,334.39/x
  3. Step 3: Cross multiply
    22,406.16x = 30,920.27 × 12,334.39
  4. Step 4: Simplify right side
    22,406.16x = 381,382,530.11
  5. Step 5: Solve for x
    x = 381,382,530.11/22,406.16
  6. Step 6: Final answer
    x = 17,021.32

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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.