Home / 19,818.24-27,349.32-10,866.12

Finding the Fourth Proportional to 19,818.24, 27,349.32 and 10,866.12

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Solution

The fourth proportional to 19,818.24, 27,349.32 and 10,866.12 is: 14,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.24 : 27,349.32 = 10,866.12 : x
  2. Step 2: Convert to fraction form
    19,818.24/27,349.32 = 10,866.12/x
  3. Step 3: Cross multiply
    19,818.24x = 27,349.32 × 10,866.12
  4. Step 4: Simplify right side
    19,818.24x = 297,180,993.04
  5. Step 5: Solve for x
    x = 297,180,993.04/19,818.24
  6. Step 6: Final answer
    x = 14,995.33

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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.