Home / 26,616.94-36,730.02-15,278.56

Finding the Fourth Proportional to 26,616.94, 36,730.02 and 15,278.56

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Solution

The fourth proportional to 26,616.94, 36,730.02 and 15,278.56 is: 21,083.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,616.94 : 36,730.02 = 15,278.56 : x
  2. Step 2: Convert to fraction form
    26,616.94/36,730.02 = 15,278.56/x
  3. Step 3: Cross multiply
    26,616.94x = 36,730.02 × 15,278.56
  4. Step 4: Simplify right side
    26,616.94x = 561,181,814.37
  5. Step 5: Solve for x
    x = 561,181,814.37/26,616.94
  6. Step 6: Final answer
    x = 21,083.63

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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.