Home / 39,196.95-58,778.42-14,228.70

Finding the Fourth Proportional to 39,196.95, 58,778.42 and 14,228.70

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Solution

The fourth proportional to 39,196.95, 58,778.42 and 14,228.70 is: 21,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,196.95 : 58,778.42 = 14,228.70 : x
  2. Step 2: Convert to fraction form
    39,196.95/58,778.42 = 14,228.70/x
  3. Step 3: Cross multiply
    39,196.95x = 58,778.42 × 14,228.70
  4. Step 4: Simplify right side
    39,196.95x = 836,340,433.51
  5. Step 5: Solve for x
    x = 836,340,433.51/39,196.95
  6. Step 6: Final answer
    x = 21,336.88

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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.