Home / 26,891.04-37,088.64-18,398.22

Finding the Fourth Proportional to 26,891.04, 37,088.64 and 18,398.22

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Solution

The fourth proportional to 26,891.04, 37,088.64 and 18,398.22 is: 25,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,891.04 : 37,088.64 = 18,398.22 : x
  2. Step 2: Convert to fraction form
    26,891.04/37,088.64 = 18,398.22/x
  3. Step 3: Cross multiply
    26,891.04x = 37,088.64 × 18,398.22
  4. Step 4: Simplify right side
    26,891.04x = 682,364,958.22
  5. Step 5: Solve for x
    x = 682,364,958.22/26,891.04
  6. Step 6: Final answer
    x = 25,375.18

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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.