Home / 19,818.72-27,350.66-10,866.57

Finding the Fourth Proportional to 19,818.72, 27,350.66 and 10,866.57

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Solution

The fourth proportional to 19,818.72, 27,350.66 and 10,866.57 is: 14,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.72 : 27,350.66 = 10,866.57 : x
  2. Step 2: Convert to fraction form
    19,818.72/27,350.66 = 10,866.57/x
  3. Step 3: Cross multiply
    19,818.72x = 27,350.66 × 10,866.57
  4. Step 4: Simplify right side
    19,818.72x = 297,207,861.44
  5. Step 5: Solve for x
    x = 297,207,861.44/19,818.72
  6. Step 6: Final answer
    x = 14,996.32

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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.