Home / 19,711.98-27,205.02-11,754.18

Finding the Fourth Proportional to 19,711.98, 27,205.02 and 11,754.18

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Solution

The fourth proportional to 19,711.98, 27,205.02 and 11,754.18 is: 16,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.98 : 27,205.02 = 11,754.18 : x
  2. Step 2: Convert to fraction form
    19,711.98/27,205.02 = 11,754.18/x
  3. Step 3: Cross multiply
    19,711.98x = 27,205.02 × 11,754.18
  4. Step 4: Simplify right side
    19,711.98x = 319,772,701.98
  5. Step 5: Solve for x
    x = 319,772,701.98/19,711.98
  6. Step 6: Final answer
    x = 16,222.25

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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.