Home / 19,410.17-26,785.44-10,912.12

Finding the Fourth Proportional to 19,410.17, 26,785.44 and 10,912.12

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Solution

The fourth proportional to 19,410.17, 26,785.44 and 10,912.12 is: 15,058.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.17 : 26,785.44 = 10,912.12 : x
  2. Step 2: Convert to fraction form
    19,410.17/26,785.44 = 10,912.12/x
  3. Step 3: Cross multiply
    19,410.17x = 26,785.44 × 10,912.12
  4. Step 4: Simplify right side
    19,410.17x = 292,285,868.57
  5. Step 5: Solve for x
    x = 292,285,868.57/19,410.17
  6. Step 6: Final answer
    x = 15,058.39

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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.