Home / 19,410.79-26,785.41-10,911.56

Finding the Fourth Proportional to 19,410.79, 26,785.41 and 10,911.56

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Solution

The fourth proportional to 19,410.79, 26,785.41 and 10,911.56 is: 15,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.79 : 26,785.41 = 10,911.56 : x
  2. Step 2: Convert to fraction form
    19,410.79/26,785.41 = 10,911.56/x
  3. Step 3: Cross multiply
    19,410.79x = 26,785.41 × 10,911.56
  4. Step 4: Simplify right side
    19,410.79x = 292,270,608.34
  5. Step 5: Solve for x
    x = 292,270,608.34/19,410.79
  6. Step 6: Final answer
    x = 15,057.12

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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.