Home / 15,218.08-20,961.89-10,733.95

Finding the Fourth Proportional to 15,218.08, 20,961.89 and 10,733.95

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Solution

The fourth proportional to 15,218.08, 20,961.89 and 10,733.95 is: 14,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,218.08 : 20,961.89 = 10,733.95 : x
  2. Step 2: Convert to fraction form
    15,218.08/20,961.89 = 10,733.95/x
  3. Step 3: Cross multiply
    15,218.08x = 20,961.89 × 10,733.95
  4. Step 4: Simplify right side
    15,218.08x = 225,003,891.95
  5. Step 5: Solve for x
    x = 225,003,891.95/15,218.08
  6. Step 6: Final answer
    x = 14,785.30

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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.