Home / 26,671.44-36,811.08-15,499.92

Finding the Fourth Proportional to 26,671.44, 36,811.08 and 15,499.92

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Solution

The fourth proportional to 26,671.44, 36,811.08 and 15,499.92 is: 21,392.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,671.44 : 36,811.08 = 15,499.92 : x
  2. Step 2: Convert to fraction form
    26,671.44/36,811.08 = 15,499.92/x
  3. Step 3: Cross multiply
    26,671.44x = 36,811.08 × 15,499.92
  4. Step 4: Simplify right side
    26,671.44x = 570,568,795.11
  5. Step 5: Solve for x
    x = 570,568,795.11/26,671.44
  6. Step 6: Final answer
    x = 21,392.50

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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.