Home / 26,039.52-35,936.19-15,426.90

Finding the Fourth Proportional to 26,039.52, 35,936.19 and 15,426.90

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Solution

The fourth proportional to 26,039.52, 35,936.19 and 15,426.90 is: 21,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,039.52 : 35,936.19 = 15,426.90 : x
  2. Step 2: Convert to fraction form
    26,039.52/35,936.19 = 15,426.90/x
  3. Step 3: Cross multiply
    26,039.52x = 35,936.19 × 15,426.90
  4. Step 4: Simplify right side
    26,039.52x = 554,384,009.51
  5. Step 5: Solve for x
    x = 554,384,009.51/26,039.52
  6. Step 6: Final answer
    x = 21,290.10

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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.