Home / 22,189.60-30,612.90-14,230.54

Finding the Fourth Proportional to 22,189.60, 30,612.90 and 14,230.54

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Solution

The fourth proportional to 22,189.60, 30,612.90 and 14,230.54 is: 19,632.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,189.60 : 30,612.90 = 14,230.54 : x
  2. Step 2: Convert to fraction form
    22,189.60/30,612.90 = 14,230.54/x
  3. Step 3: Cross multiply
    22,189.60x = 30,612.90 × 14,230.54
  4. Step 4: Simplify right side
    22,189.60x = 435,638,097.97
  5. Step 5: Solve for x
    x = 435,638,097.97/22,189.60
  6. Step 6: Final answer
    x = 19,632.53

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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.