Home / 19,776.32-27,293.15-11,818.37

Finding the Fourth Proportional to 19,776.32, 27,293.15 and 11,818.37

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Solution

The fourth proportional to 19,776.32, 27,293.15 and 11,818.37 is: 16,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.32 : 27,293.15 = 11,818.37 : x
  2. Step 2: Convert to fraction form
    19,776.32/27,293.15 = 11,818.37/x
  3. Step 3: Cross multiply
    19,776.32x = 27,293.15 × 11,818.37
  4. Step 4: Simplify right side
    19,776.32x = 322,560,642.94
  5. Step 5: Solve for x
    x = 322,560,642.94/19,776.32
  6. Step 6: Final answer
    x = 16,310.45

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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.