Home / 22,367.22-30,864.29-13,415.10

Finding the Fourth Proportional to 22,367.22, 30,864.29 and 13,415.10

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Solution

The fourth proportional to 22,367.22, 30,864.29 and 13,415.10 is: 18,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,367.22 : 30,864.29 = 13,415.10 : x
  2. Step 2: Convert to fraction form
    22,367.22/30,864.29 = 13,415.10/x
  3. Step 3: Cross multiply
    22,367.22x = 30,864.29 × 13,415.10
  4. Step 4: Simplify right side
    22,367.22x = 414,047,469.70
  5. Step 5: Solve for x
    x = 414,047,469.70/22,367.22
  6. Step 6: Final answer
    x = 18,511.35

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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.