Home / 26,616.84-36,730.80-15,286.38

Finding the Fourth Proportional to 26,616.84, 36,730.80 and 15,286.38

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Solution

The fourth proportional to 26,616.84, 36,730.80 and 15,286.38 is: 21,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,616.84 : 36,730.80 = 15,286.38 : x
  2. Step 2: Convert to fraction form
    26,616.84/36,730.80 = 15,286.38/x
  3. Step 3: Cross multiply
    26,616.84x = 36,730.80 × 15,286.38
  4. Step 4: Simplify right side
    26,616.84x = 561,480,966.50
  5. Step 5: Solve for x
    x = 561,480,966.50/26,616.84
  6. Step 6: Final answer
    x = 21,094.95

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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.