Home / 19,718.48-27,197.98-11,754.56

Finding the Fourth Proportional to 19,718.48, 27,197.98 and 11,754.56

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Solution

The fourth proportional to 19,718.48, 27,197.98 and 11,754.56 is: 16,213.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.48 : 27,197.98 = 11,754.56 : x
  2. Step 2: Convert to fraction form
    19,718.48/27,197.98 = 11,754.56/x
  3. Step 3: Cross multiply
    19,718.48x = 27,197.98 × 11,754.56
  4. Step 4: Simplify right side
    19,718.48x = 319,700,326.40
  5. Step 5: Solve for x
    x = 319,700,326.40/19,718.48
  6. Step 6: Final answer
    x = 16,213.23

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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.