Home / 19,672.08-27,146.15-11,605.31

Finding the Fourth Proportional to 19,672.08, 27,146.15 and 11,605.31

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Solution

The fourth proportional to 19,672.08, 27,146.15 and 11,605.31 is: 16,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.08 : 27,146.15 = 11,605.31 : x
  2. Step 2: Convert to fraction form
    19,672.08/27,146.15 = 11,605.31/x
  3. Step 3: Cross multiply
    19,672.08x = 27,146.15 × 11,605.31
  4. Step 4: Simplify right side
    19,672.08x = 315,039,486.06
  5. Step 5: Solve for x
    x = 315,039,486.06/19,672.08
  6. Step 6: Final answer
    x = 16,014.55

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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.