Home / 19,884.77-27,440.28-10,932.21

Finding the Fourth Proportional to 19,884.77, 27,440.28 and 10,932.21

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Solution

The fourth proportional to 19,884.77, 27,440.28 and 10,932.21 is: 15,086.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,884.77 : 27,440.28 = 10,932.21 : x
  2. Step 2: Convert to fraction form
    19,884.77/27,440.28 = 10,932.21/x
  3. Step 3: Cross multiply
    19,884.77x = 27,440.28 × 10,932.21
  4. Step 4: Simplify right side
    19,884.77x = 299,982,903.42
  5. Step 5: Solve for x
    x = 299,982,903.42/19,884.77
  6. Step 6: Final answer
    x = 15,086.06

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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.