Home / 19,818.87-27,350.73-10,866.39

Finding the Fourth Proportional to 19,818.87, 27,350.73 and 10,866.39

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Solution

The fourth proportional to 19,818.87, 27,350.73 and 10,866.39 is: 14,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.87 : 27,350.73 = 10,866.39 : x
  2. Step 2: Convert to fraction form
    19,818.87/27,350.73 = 10,866.39/x
  3. Step 3: Cross multiply
    19,818.87x = 27,350.73 × 10,866.39
  4. Step 4: Simplify right side
    19,818.87x = 297,203,698.96
  5. Step 5: Solve for x
    x = 297,203,698.96/19,818.87
  6. Step 6: Final answer
    x = 14,996.00

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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.