Home / 22,195.91-30,634.65-14,647.11

Finding the Fourth Proportional to 22,195.91, 30,634.65 and 14,647.11

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Solution

The fourth proportional to 22,195.91, 30,634.65 and 14,647.11 is: 20,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.91 : 30,634.65 = 14,647.11 : x
  2. Step 2: Convert to fraction form
    22,195.91/30,634.65 = 14,647.11/x
  3. Step 3: Cross multiply
    22,195.91x = 30,634.65 × 14,647.11
  4. Step 4: Simplify right side
    22,195.91x = 448,709,088.36
  5. Step 5: Solve for x
    x = 448,709,088.36/22,195.91
  6. Step 6: Final answer
    x = 20,215.85

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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.