Home / 22,188.23-30,619.71-14,230.43

Finding the Fourth Proportional to 22,188.23, 30,619.71 and 14,230.43

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Solution

The fourth proportional to 22,188.23, 30,619.71 and 14,230.43 is: 19,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188.23 : 30,619.71 = 14,230.43 : x
  2. Step 2: Convert to fraction form
    22,188.23/30,619.71 = 14,230.43/x
  3. Step 3: Cross multiply
    22,188.23x = 30,619.71 × 14,230.43
  4. Step 4: Simplify right side
    22,188.23x = 435,731,548.14
  5. Step 5: Solve for x
    x = 435,731,548.14/22,188.23
  6. Step 6: Final answer
    x = 19,637.96

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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.