Home / 17,317.74-25,970.13-13,663.02

Finding the Fourth Proportional to 17,317.74, 25,970.13 and 13,663.02

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Solution

The fourth proportional to 17,317.74, 25,970.13 and 13,663.02 is: 20,489.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,317.74 : 25,970.13 = 13,663.02 : x
  2. Step 2: Convert to fraction form
    17,317.74/25,970.13 = 13,663.02/x
  3. Step 3: Cross multiply
    17,317.74x = 25,970.13 × 13,663.02
  4. Step 4: Simplify right side
    17,317.74x = 354,830,405.59
  5. Step 5: Solve for x
    x = 354,830,405.59/17,317.74
  6. Step 6: Final answer
    x = 20,489.42

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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.