Home / 31,353.66-46,993.41-13,786.74

Finding the Fourth Proportional to 31,353.66, 46,993.41 and 13,786.74

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Solution

The fourth proportional to 31,353.66, 46,993.41 and 13,786.74 is: 20,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.66 : 46,993.41 = 13,786.74 : x
  2. Step 2: Convert to fraction form
    31,353.66/46,993.41 = 13,786.74/x
  3. Step 3: Cross multiply
    31,353.66x = 46,993.41 × 13,786.74
  4. Step 4: Simplify right side
    31,353.66x = 647,885,925.38
  5. Step 5: Solve for x
    x = 647,885,925.38/31,353.66
  6. Step 6: Final answer
    x = 20,663.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.