Home / 20,794.98-28,697.46-11,363.34

Finding the Fourth Proportional to 20,794.98, 28,697.46 and 11,363.34

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Solution

The fourth proportional to 20,794.98, 28,697.46 and 11,363.34 is: 15,681.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.98 : 28,697.46 = 11,363.34 : x
  2. Step 2: Convert to fraction form
    20,794.98/28,697.46 = 11,363.34/x
  3. Step 3: Cross multiply
    20,794.98x = 28,697.46 × 11,363.34
  4. Step 4: Simplify right side
    20,794.98x = 326,098,995.12
  5. Step 5: Solve for x
    x = 326,098,995.12/20,794.98
  6. Step 6: Final answer
    x = 15,681.62

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Half scale
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Double scale
Find fourth proportional to 20,795.98, 28,698.84 and 11,364.34
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.