Home / 19,702.06-27,192.35-11,744.80

Finding the Fourth Proportional to 19,702.06, 27,192.35 and 11,744.80

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Solution

The fourth proportional to 19,702.06, 27,192.35 and 11,744.80 is: 16,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.06 : 27,192.35 = 11,744.80 : x
  2. Step 2: Convert to fraction form
    19,702.06/27,192.35 = 11,744.80/x
  3. Step 3: Cross multiply
    19,702.06x = 27,192.35 × 11,744.80
  4. Step 4: Simplify right side
    19,702.06x = 319,368,673.66
  5. Step 5: Solve for x
    x = 319,368,673.66/19,702.06
  6. Step 6: Final answer
    x = 16,209.91

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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.