Home / 22,017.17-30,383.37-11,945.63

Finding the Fourth Proportional to 22,017.17, 30,383.37 and 11,945.63

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Solution

The fourth proportional to 22,017.17, 30,383.37 and 11,945.63 is: 16,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.17 : 30,383.37 = 11,945.63 : x
  2. Step 2: Convert to fraction form
    22,017.17/30,383.37 = 11,945.63/x
  3. Step 3: Cross multiply
    22,017.17x = 30,383.37 × 11,945.63
  4. Step 4: Simplify right side
    22,017.17x = 362,948,572.13
  5. Step 5: Solve for x
    x = 362,948,572.13/22,017.17
  6. Step 6: Final answer
    x = 16,484.79

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Half scale
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Double scale
Find fourth proportional to 22,018.17, 30,384.75 and 11,946.63
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.