Home / 25,593.19-35,245.11-21,979.18

Finding the Fourth Proportional to 25,593.19, 35,245.11 and 21,979.18

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Solution

The fourth proportional to 25,593.19, 35,245.11 and 21,979.18 is: 30,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,593.19 : 35,245.11 = 21,979.18 : x
  2. Step 2: Convert to fraction form
    25,593.19/35,245.11 = 21,979.18/x
  3. Step 3: Cross multiply
    25,593.19x = 35,245.11 × 21,979.18
  4. Step 4: Simplify right side
    25,593.19x = 774,658,616.81
  5. Step 5: Solve for x
    x = 774,658,616.81/25,593.19
  6. Step 6: Final answer
    x = 30,268.15

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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.