Home / 19,905.42-27,468.40-10,951.48

Finding the Fourth Proportional to 19,905.42, 27,468.40 and 10,951.48

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Solution

The fourth proportional to 19,905.42, 27,468.40 and 10,951.48 is: 15,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.42 : 27,468.40 = 10,951.48 : x
  2. Step 2: Convert to fraction form
    19,905.42/27,468.40 = 10,951.48/x
  3. Step 3: Cross multiply
    19,905.42x = 27,468.40 × 10,951.48
  4. Step 4: Simplify right side
    19,905.42x = 300,819,633.23
  5. Step 5: Solve for x
    x = 300,819,633.23/19,905.42
  6. Step 6: Final answer
    x = 15,112.45

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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.