Home / 19,788.32-29,635.63-17,177.11

Finding the Fourth Proportional to 19,788.32, 29,635.63 and 17,177.11

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Solution

The fourth proportional to 19,788.32, 29,635.63 and 17,177.11 is: 25,725.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.32 : 29,635.63 = 17,177.11 : x
  2. Step 2: Convert to fraction form
    19,788.32/29,635.63 = 17,177.11/x
  3. Step 3: Cross multiply
    19,788.32x = 29,635.63 × 17,177.11
  4. Step 4: Simplify right side
    19,788.32x = 509,054,476.43
  5. Step 5: Solve for x
    x = 509,054,476.43/19,788.32
  6. Step 6: Final answer
    x = 25,725.00

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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.