Home / 20,299.84-28,032.90-19,195.42

Finding the Fourth Proportional to 20,299.84, 28,032.90 and 19,195.42

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Solution

The fourth proportional to 20,299.84, 28,032.90 and 19,195.42 is: 26,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,299.84 : 28,032.90 = 19,195.42 : x
  2. Step 2: Convert to fraction form
    20,299.84/28,032.90 = 19,195.42/x
  3. Step 3: Cross multiply
    20,299.84x = 28,032.90 × 19,195.42
  4. Step 4: Simplify right side
    20,299.84x = 538,103,289.32
  5. Step 5: Solve for x
    x = 538,103,289.32/20,299.84
  6. Step 6: Final answer
    x = 26,507.76

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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.