Home / 19,818.22-27,349.11-10,866.04

Finding the Fourth Proportional to 19,818.22, 27,349.11 and 10,866.04

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Solution

The fourth proportional to 19,818.22, 27,349.11 and 10,866.04 is: 14,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.22 : 27,349.11 = 10,866.04 : x
  2. Step 2: Convert to fraction form
    19,818.22/27,349.11 = 10,866.04/x
  3. Step 3: Cross multiply
    19,818.22x = 27,349.11 × 10,866.04
  4. Step 4: Simplify right side
    19,818.22x = 297,176,523.22
  5. Step 5: Solve for x
    x = 297,176,523.22/19,818.22
  6. Step 6: Final answer
    x = 14,995.12

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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.