Home / 19,891.90-27,436.71-16,886.94

Finding the Fourth Proportional to 19,891.90, 27,436.71 and 16,886.94

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Solution

The fourth proportional to 19,891.90, 27,436.71 and 16,886.94 is: 23,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891.90 : 27,436.71 = 16,886.94 : x
  2. Step 2: Convert to fraction form
    19,891.90/27,436.71 = 16,886.94/x
  3. Step 3: Cross multiply
    19,891.90x = 27,436.71 × 16,886.94
  4. Step 4: Simplify right side
    19,891.90x = 463,322,205.17
  5. Step 5: Solve for x
    x = 463,322,205.17/19,891.90
  6. Step 6: Final answer
    x = 23,292.00

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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.