Home / 13,911.41-19,197.75-8,248.92

Finding the Fourth Proportional to 13,911.41, 19,197.75 and 8,248.92

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Solution

The fourth proportional to 13,911.41, 19,197.75 and 8,248.92 is: 11,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.41 : 19,197.75 = 8,248.92 : x
  2. Step 2: Convert to fraction form
    13,911.41/19,197.75 = 8,248.92/x
  3. Step 3: Cross multiply
    13,911.41x = 19,197.75 × 8,248.92
  4. Step 4: Simplify right side
    13,911.41x = 158,360,703.93
  5. Step 5: Solve for x
    x = 158,360,703.93/13,911.41
  6. Step 6: Final answer
    x = 11,383.52

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Double scale
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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.