Home / 13,155.50-19,733.27-3,667.44

Finding the Fourth Proportional to 13,155.50, 19,733.27 and 3,667.44

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Solution

The fourth proportional to 13,155.50, 19,733.27 and 3,667.44 is: 5,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.50 : 19,733.27 = 3,667.44 : x
  2. Step 2: Convert to fraction form
    13,155.50/19,733.27 = 3,667.44/x
  3. Step 3: Cross multiply
    13,155.50x = 19,733.27 × 3,667.44
  4. Step 4: Simplify right side
    13,155.50x = 72,370,639.39
  5. Step 5: Solve for x
    x = 72,370,639.39/13,155.50
  6. Step 6: Final answer
    x = 5,501.17

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Similar ratio
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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.