Home / 19,955.70-29,933.04-17,319

Finding the Fourth Proportional to 19,955.70, 29,933.04 and 17,319

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Solution

The fourth proportional to 19,955.70, 29,933.04 and 17,319 is: 25,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.70 : 29,933.04 = 17,319 : x
  2. Step 2: Convert to fraction form
    19,955.70/29,933.04 = 17,319/x
  3. Step 3: Cross multiply
    19,955.70x = 29,933.04 × 17,319
  4. Step 4: Simplify right side
    19,955.70x = 518,410,319.76
  5. Step 5: Solve for x
    x = 518,410,319.76/19,955.70
  6. Step 6: Final answer
    x = 25,978.06

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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.