Home / 15,996.69-22,068.27-9,278.41

Finding the Fourth Proportional to 15,996.69, 22,068.27 and 9,278.41

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Solution

The fourth proportional to 15,996.69, 22,068.27 and 9,278.41 is: 12,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.69 : 22,068.27 = 9,278.41 : x
  2. Step 2: Convert to fraction form
    15,996.69/22,068.27 = 9,278.41/x
  3. Step 3: Cross multiply
    15,996.69x = 22,068.27 × 9,278.41
  4. Step 4: Simplify right side
    15,996.69x = 204,758,457.05
  5. Step 5: Solve for x
    x = 204,758,457.05/15,996.69
  6. Step 6: Final answer
    x = 12,800.05

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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.