Home / 22,122.15-33,103.35-19,039.34

Finding the Fourth Proportional to 22,122.15, 33,103.35 and 19,039.34

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Solution

The fourth proportional to 22,122.15, 33,103.35 and 19,039.34 is: 28,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.15 : 33,103.35 = 19,039.34 : x
  2. Step 2: Convert to fraction form
    22,122.15/33,103.35 = 19,039.34/x
  3. Step 3: Cross multiply
    22,122.15x = 33,103.35 × 19,039.34
  4. Step 4: Simplify right side
    22,122.15x = 630,265,935.79
  5. Step 5: Solve for x
    x = 630,265,935.79/22,122.15
  6. Step 6: Final answer
    x = 28,490.27

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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.