Home / 25,864.92-35,697.44-15,799.20

Finding the Fourth Proportional to 25,864.92, 35,697.44 and 15,799.20

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Solution

The fourth proportional to 25,864.92, 35,697.44 and 15,799.20 is: 21,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,864.92 : 35,697.44 = 15,799.20 : x
  2. Step 2: Convert to fraction form
    25,864.92/35,697.44 = 15,799.20/x
  3. Step 3: Cross multiply
    25,864.92x = 35,697.44 × 15,799.20
  4. Step 4: Simplify right side
    25,864.92x = 563,990,994.05
  5. Step 5: Solve for x
    x = 563,990,994.05/25,864.92
  6. Step 6: Final answer
    x = 21,805.25

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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.