Home / 19,905.48-27,468.86-10,952.88

Finding the Fourth Proportional to 19,905.48, 27,468.86 and 10,952.88

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Solution

The fourth proportional to 19,905.48, 27,468.86 and 10,952.88 is: 15,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.48 : 27,468.86 = 10,952.88 : x
  2. Step 2: Convert to fraction form
    19,905.48/27,468.86 = 10,952.88/x
  3. Step 3: Cross multiply
    19,905.48x = 27,468.86 × 10,952.88
  4. Step 4: Simplify right side
    19,905.48x = 300,863,127.32
  5. Step 5: Solve for x
    x = 300,863,127.32/19,905.48
  6. Step 6: Final answer
    x = 15,114.59

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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.