Home / 19,795.92-27,311.59-11,291.93

Finding the Fourth Proportional to 19,795.92, 27,311.59 and 11,291.93

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Solution

The fourth proportional to 19,795.92, 27,311.59 and 11,291.93 is: 15,579.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.92 : 27,311.59 = 11,291.93 : x
  2. Step 2: Convert to fraction form
    19,795.92/27,311.59 = 11,291.93/x
  3. Step 3: Cross multiply
    19,795.92x = 27,311.59 × 11,291.93
  4. Step 4: Simplify right side
    19,795.92x = 308,400,562.47
  5. Step 5: Solve for x
    x = 308,400,562.47/19,795.92
  6. Step 6: Final answer
    x = 15,579.00

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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.