Home / 19,836.86-27,374.65-10,884.36

Finding the Fourth Proportional to 19,836.86, 27,374.65 and 10,884.36

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Solution

The fourth proportional to 19,836.86, 27,374.65 and 10,884.36 is: 15,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.86 : 27,374.65 = 10,884.36 : x
  2. Step 2: Convert to fraction form
    19,836.86/27,374.65 = 10,884.36/x
  3. Step 3: Cross multiply
    19,836.86x = 27,374.65 × 10,884.36
  4. Step 4: Simplify right side
    19,836.86x = 297,955,545.47
  5. Step 5: Solve for x
    x = 297,955,545.47/19,836.86
  6. Step 6: Final answer
    x = 15,020.30

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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.