Home / 22,209.18-30,620.79-14,237.34

Finding the Fourth Proportional to 22,209.18, 30,620.79 and 14,237.34

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Solution

The fourth proportional to 22,209.18, 30,620.79 and 14,237.34 is: 19,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209.18 : 30,620.79 = 14,237.34 : x
  2. Step 2: Convert to fraction form
    22,209.18/30,620.79 = 14,237.34/x
  3. Step 3: Cross multiply
    22,209.18x = 30,620.79 × 14,237.34
  4. Step 4: Simplify right side
    22,209.18x = 435,958,598.30
  5. Step 5: Solve for x
    x = 435,958,598.30/22,209.18
  6. Step 6: Final answer
    x = 19,629.66

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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.