Home / 20,151.09-27,812.03-19,265.49

Finding the Fourth Proportional to 20,151.09, 27,812.03 and 19,265.49

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Solution

The fourth proportional to 20,151.09, 27,812.03 and 19,265.49 is: 26,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151.09 : 27,812.03 = 19,265.49 : x
  2. Step 2: Convert to fraction form
    20,151.09/27,812.03 = 19,265.49/x
  3. Step 3: Cross multiply
    20,151.09x = 27,812.03 × 19,265.49
  4. Step 4: Simplify right side
    20,151.09x = 535,812,289.52
  5. Step 5: Solve for x
    x = 535,812,289.52/20,151.09
  6. Step 6: Final answer
    x = 26,589.74

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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.