Home / 20,222.48-30,339.75-14,612.83

Finding the Fourth Proportional to 20,222.48, 30,339.75 and 14,612.83

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Solution

The fourth proportional to 20,222.48, 30,339.75 and 14,612.83 is: 21,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.48 : 30,339.75 = 14,612.83 : x
  2. Step 2: Convert to fraction form
    20,222.48/30,339.75 = 14,612.83/x
  3. Step 3: Cross multiply
    20,222.48x = 30,339.75 × 14,612.83
  4. Step 4: Simplify right side
    20,222.48x = 443,349,608.99
  5. Step 5: Solve for x
    x = 443,349,608.99/20,222.48
  6. Step 6: Final answer
    x = 21,923.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.