Home / 17,921.28-26,878.32-17,032.13

Finding the Fourth Proportional to 17,921.28, 26,878.32 and 17,032.13

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Solution

The fourth proportional to 17,921.28, 26,878.32 and 17,032.13 is: 25,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.28 : 26,878.32 = 17,032.13 : x
  2. Step 2: Convert to fraction form
    17,921.28/26,878.32 = 17,032.13/x
  3. Step 3: Cross multiply
    17,921.28x = 26,878.32 × 17,032.13
  4. Step 4: Simplify right side
    17,921.28x = 457,795,022.46
  5. Step 5: Solve for x
    x = 457,795,022.46/17,921.28
  6. Step 6: Final answer
    x = 25,544.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.