Home / 22,745.93-31,390.25-13,186.13

Finding the Fourth Proportional to 22,745.93, 31,390.25 and 13,186.13

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Solution

The fourth proportional to 22,745.93, 31,390.25 and 13,186.13 is: 18,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,745.93 : 31,390.25 = 13,186.13 : x
  2. Step 2: Convert to fraction form
    22,745.93/31,390.25 = 13,186.13/x
  3. Step 3: Cross multiply
    22,745.93x = 31,390.25 × 13,186.13
  4. Step 4: Simplify right side
    22,745.93x = 413,915,917.23
  5. Step 5: Solve for x
    x = 413,915,917.23/22,745.93
  6. Step 6: Final answer
    x = 18,197.36

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Half scale
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Double scale
Find fourth proportional to 22,746.93, 31,391.63 and 13,187.13
Similar ratio
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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.