Home / 18,891.51-26,070.92-10,393.95

Finding the Fourth Proportional to 18,891.51, 26,070.92 and 10,393.95

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Solution

The fourth proportional to 18,891.51, 26,070.92 and 10,393.95 is: 14,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891.51 : 26,070.92 = 10,393.95 : x
  2. Step 2: Convert to fraction form
    18,891.51/26,070.92 = 10,393.95/x
  3. Step 3: Cross multiply
    18,891.51x = 26,070.92 × 10,393.95
  4. Step 4: Simplify right side
    18,891.51x = 270,979,786.96
  5. Step 5: Solve for x
    x = 270,979,786.96/18,891.51
  6. Step 6: Final answer
    x = 14,344.00

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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.