Home / 19,786.32-29,632.64-17,175.11

Finding the Fourth Proportional to 19,786.32, 29,632.64 and 17,175.11

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Solution

The fourth proportional to 19,786.32, 29,632.64 and 17,175.11 is: 25,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.32 : 29,632.64 = 17,175.11 : x
  2. Step 2: Convert to fraction form
    19,786.32/29,632.64 = 17,175.11/x
  3. Step 3: Cross multiply
    19,786.32x = 29,632.64 × 17,175.11
  4. Step 4: Simplify right side
    19,786.32x = 508,943,617.55
  5. Step 5: Solve for x
    x = 508,943,617.55/19,786.32
  6. Step 6: Final answer
    x = 25,721.99

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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.