Home / 19,818.06-27,351.71-12,266.81

Finding the Fourth Proportional to 19,818.06, 27,351.71 and 12,266.81

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Solution

The fourth proportional to 19,818.06, 27,351.71 and 12,266.81 is: 16,929.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.06 : 27,351.71 = 12,266.81 : x
  2. Step 2: Convert to fraction form
    19,818.06/27,351.71 = 12,266.81/x
  3. Step 3: Cross multiply
    19,818.06x = 27,351.71 × 12,266.81
  4. Step 4: Simplify right side
    19,818.06x = 335,518,229.75
  5. Step 5: Solve for x
    x = 335,518,229.75/19,818.06
  6. Step 6: Final answer
    x = 16,929.92

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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.