Home / 19,818.27-27,352.22-12,651.26

Finding the Fourth Proportional to 19,818.27, 27,352.22 and 12,651.26

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Solution

The fourth proportional to 19,818.27, 27,352.22 and 12,651.26 is: 17,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.27 : 27,352.22 = 12,651.26 : x
  2. Step 2: Convert to fraction form
    19,818.27/27,352.22 = 12,651.26/x
  3. Step 3: Cross multiply
    19,818.27x = 27,352.22 × 12,651.26
  4. Step 4: Simplify right side
    19,818.27x = 346,039,846.78
  5. Step 5: Solve for x
    x = 346,039,846.78/19,818.27
  6. Step 6: Final answer
    x = 17,460.65

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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.