Home / 19,904.45-27,467.10-10,952.78

Finding the Fourth Proportional to 19,904.45, 27,467.10 and 10,952.78

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Solution

The fourth proportional to 19,904.45, 27,467.10 and 10,952.78 is: 15,114.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.45 : 27,467.10 = 10,952.78 : x
  2. Step 2: Convert to fraction form
    19,904.45/27,467.10 = 10,952.78/x
  3. Step 3: Cross multiply
    19,904.45x = 27,467.10 × 10,952.78
  4. Step 4: Simplify right side
    19,904.45x = 300,840,966.20
  5. Step 5: Solve for x
    x = 300,840,966.20/19,904.45
  6. Step 6: Final answer
    x = 15,114.26

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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.