Home / 19,193.42-28,798.47-6,722.39

Finding the Fourth Proportional to 19,193.42, 28,798.47 and 6,722.39

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Solution

The fourth proportional to 19,193.42, 28,798.47 and 6,722.39 is: 10,086.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.42 : 28,798.47 = 6,722.39 : x
  2. Step 2: Convert to fraction form
    19,193.42/28,798.47 = 6,722.39/x
  3. Step 3: Cross multiply
    19,193.42x = 28,798.47 × 6,722.39
  4. Step 4: Simplify right side
    19,193.42x = 193,594,546.74
  5. Step 5: Solve for x
    x = 193,594,546.74/19,193.42
  6. Step 6: Final answer
    x = 10,086.51

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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.