Home / 22,206.71-30,630.80-14,236.31

Finding the Fourth Proportional to 22,206.71, 30,630.80 and 14,236.31

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Solution

The fourth proportional to 22,206.71, 30,630.80 and 14,236.31 is: 19,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.71 : 30,630.80 = 14,236.31 : x
  2. Step 2: Convert to fraction form
    22,206.71/30,630.80 = 14,236.31/x
  3. Step 3: Cross multiply
    22,206.71x = 30,630.80 × 14,236.31
  4. Step 4: Simplify right side
    22,206.71x = 436,069,340.01
  5. Step 5: Solve for x
    x = 436,069,340.01/22,206.71
  6. Step 6: Final answer
    x = 19,636.83

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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.