Home / 19,189.38-26,404.56-14,711.42

Finding the Fourth Proportional to 19,189.38, 26,404.56 and 14,711.42

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Solution

The fourth proportional to 19,189.38, 26,404.56 and 14,711.42 is: 20,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.38 : 26,404.56 = 14,711.42 : x
  2. Step 2: Convert to fraction form
    19,189.38/26,404.56 = 14,711.42/x
  3. Step 3: Cross multiply
    19,189.38x = 26,404.56 × 14,711.42
  4. Step 4: Simplify right side
    19,189.38x = 388,448,572.08
  5. Step 5: Solve for x
    x = 388,448,572.08/19,189.38
  6. Step 6: Final answer
    x = 20,242.89

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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.