Home / 22,101.48-30,497.34-13,149.36

Finding the Fourth Proportional to 22,101.48, 30,497.34 and 13,149.36

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Solution

The fourth proportional to 22,101.48, 30,497.34 and 13,149.36 is: 18,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101.48 : 30,497.34 = 13,149.36 : x
  2. Step 2: Convert to fraction form
    22,101.48/30,497.34 = 13,149.36/x
  3. Step 3: Cross multiply
    22,101.48x = 30,497.34 × 13,149.36
  4. Step 4: Simplify right side
    22,101.48x = 401,020,502.70
  5. Step 5: Solve for x
    x = 401,020,502.70/22,101.48
  6. Step 6: Final answer
    x = 18,144.51

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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.