Home / 15,581.76-23,372.64-5,194.32

Finding the Fourth Proportional to 15,581.76, 23,372.64 and 5,194.32

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Solution

The fourth proportional to 15,581.76, 23,372.64 and 5,194.32 is: 7,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.76 : 23,372.64 = 5,194.32 : x
  2. Step 2: Convert to fraction form
    15,581.76/23,372.64 = 5,194.32/x
  3. Step 3: Cross multiply
    15,581.76x = 23,372.64 × 5,194.32
  4. Step 4: Simplify right side
    15,581.76x = 121,404,971.40
  5. Step 5: Solve for x
    x = 121,404,971.40/15,581.76
  6. Step 6: Final answer
    x = 7,791.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.