Home / 20,222.23-30,339.37-14,612.58

Finding the Fourth Proportional to 20,222.23, 30,339.37 and 14,612.58

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Solution

The fourth proportional to 20,222.23, 30,339.37 and 14,612.58 is: 21,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.23 : 30,339.37 = 14,612.58 : x
  2. Step 2: Convert to fraction form
    20,222.23/30,339.37 = 14,612.58/x
  3. Step 3: Cross multiply
    20,222.23x = 30,339.37 × 14,612.58
  4. Step 4: Simplify right side
    20,222.23x = 443,336,319.58
  5. Step 5: Solve for x
    x = 443,336,319.58/20,222.23
  6. Step 6: Final answer
    x = 21,923.22

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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.