Home / 19,815.44-27,348.10-12,264.18

Finding the Fourth Proportional to 19,815.44, 27,348.10 and 12,264.18

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Solution

The fourth proportional to 19,815.44, 27,348.10 and 12,264.18 is: 16,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.44 : 27,348.10 = 12,264.18 : x
  2. Step 2: Convert to fraction form
    19,815.44/27,348.10 = 12,264.18/x
  3. Step 3: Cross multiply
    19,815.44x = 27,348.10 × 12,264.18
  4. Step 4: Simplify right side
    19,815.44x = 335,402,021.06
  5. Step 5: Solve for x
    x = 335,402,021.06/19,815.44
  6. Step 6: Final answer
    x = 16,926.30

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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.