Home / 19,866.96-27,425.52-11,800.08

Finding the Fourth Proportional to 19,866.96, 27,425.52 and 11,800.08

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Solution

The fourth proportional to 19,866.96, 27,425.52 and 11,800.08 is: 16,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.96 : 27,425.52 = 11,800.08 : x
  2. Step 2: Convert to fraction form
    19,866.96/27,425.52 = 11,800.08/x
  3. Step 3: Cross multiply
    19,866.96x = 27,425.52 × 11,800.08
  4. Step 4: Simplify right side
    19,866.96x = 323,623,330.04
  5. Step 5: Solve for x
    x = 323,623,330.04/19,866.96
  6. Step 6: Final answer
    x = 16,289.52

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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.