Home / 19,631.52-27,091.96-10,679.60

Finding the Fourth Proportional to 19,631.52, 27,091.96 and 10,679.60

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Solution

The fourth proportional to 19,631.52, 27,091.96 and 10,679.60 is: 14,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.52 : 27,091.96 = 10,679.60 : x
  2. Step 2: Convert to fraction form
    19,631.52/27,091.96 = 10,679.60/x
  3. Step 3: Cross multiply
    19,631.52x = 27,091.96 × 10,679.60
  4. Step 4: Simplify right side
    19,631.52x = 289,331,296.02
  5. Step 5: Solve for x
    x = 289,331,296.02/19,631.52
  6. Step 6: Final answer
    x = 14,738.10

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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.