Home / 19,851.93-27,387.85-11,349.49

Finding the Fourth Proportional to 19,851.93, 27,387.85 and 11,349.49

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Solution

The fourth proportional to 19,851.93, 27,387.85 and 11,349.49 is: 15,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.93 : 27,387.85 = 11,349.49 : x
  2. Step 2: Convert to fraction form
    19,851.93/27,387.85 = 11,349.49/x
  3. Step 3: Cross multiply
    19,851.93x = 27,387.85 × 11,349.49
  4. Step 4: Simplify right side
    19,851.93x = 310,838,105.87
  5. Step 5: Solve for x
    x = 310,838,105.87/19,851.93
  6. Step 6: Final answer
    x = 15,657.83

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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.