Home / 19,864.22-27,411.27-10,912.10

Finding the Fourth Proportional to 19,864.22, 27,411.27 and 10,912.10

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Solution

The fourth proportional to 19,864.22, 27,411.27 and 10,912.10 is: 15,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.22 : 27,411.27 = 10,912.10 : x
  2. Step 2: Convert to fraction form
    19,864.22/27,411.27 = 10,912.10/x
  3. Step 3: Cross multiply
    19,864.22x = 27,411.27 × 10,912.10
  4. Step 4: Simplify right side
    19,864.22x = 299,114,327.75
  5. Step 5: Solve for x
    x = 299,114,327.75/19,864.22
  6. Step 6: Final answer
    x = 15,057.95

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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.