Home / 26,655.04-36,740.82-20,260.36

Finding the Fourth Proportional to 26,655.04, 36,740.82 and 20,260.36

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Solution

The fourth proportional to 26,655.04, 36,740.82 and 20,260.36 is: 27,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.04 : 36,740.82 = 20,260.36 : x
  2. Step 2: Convert to fraction form
    26,655.04/36,740.82 = 20,260.36/x
  3. Step 3: Cross multiply
    26,655.04x = 36,740.82 × 20,260.36
  4. Step 4: Simplify right side
    26,655.04x = 744,382,239.90
  5. Step 5: Solve for x
    x = 744,382,239.90/26,655.04
  6. Step 6: Final answer
    x = 27,926.51

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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.