Home / 30,623.29-42,258.76-17,194.30

Finding the Fourth Proportional to 30,623.29, 42,258.76 and 17,194.30

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Solution

The fourth proportional to 30,623.29, 42,258.76 and 17,194.30 is: 23,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,623.29 : 42,258.76 = 17,194.30 : x
  2. Step 2: Convert to fraction form
    30,623.29/42,258.76 = 17,194.30/x
  3. Step 3: Cross multiply
    30,623.29x = 42,258.76 × 17,194.30
  4. Step 4: Simplify right side
    30,623.29x = 726,609,797.07
  5. Step 5: Solve for x
    x = 726,609,797.07/30,623.29
  6. Step 6: Final answer
    x = 23,727.36

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Half scale
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Double scale
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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.