Home / 19,794.72-27,316.76-10,720.16

Finding the Fourth Proportional to 19,794.72, 27,316.76 and 10,720.16

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Solution

The fourth proportional to 19,794.72, 27,316.76 and 10,720.16 is: 14,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,794.72 : 27,316.76 = 10,720.16 : x
  2. Step 2: Convert to fraction form
    19,794.72/27,316.76 = 10,720.16/x
  3. Step 3: Cross multiply
    19,794.72x = 27,316.76 × 10,720.16
  4. Step 4: Simplify right side
    19,794.72x = 292,840,037.88
  5. Step 5: Solve for x
    x = 292,840,037.88/19,794.72
  6. Step 6: Final answer
    x = 14,793.85

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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.