Home / 15,980.76-22,022.28-11,496.60

Finding the Fourth Proportional to 15,980.76, 22,022.28 and 11,496.60

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Solution

The fourth proportional to 15,980.76, 22,022.28 and 11,496.60 is: 15,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.76 : 22,022.28 = 11,496.60 : x
  2. Step 2: Convert to fraction form
    15,980.76/22,022.28 = 11,496.60/x
  3. Step 3: Cross multiply
    15,980.76x = 22,022.28 × 11,496.60
  4. Step 4: Simplify right side
    15,980.76x = 253,181,344.25
  5. Step 5: Solve for x
    x = 253,181,344.25/15,980.76
  6. Step 6: Final answer
    x = 15,842.89

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Half scale
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Double scale
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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.