Home / 17,317.18-25,966.55-8,988.82

Finding the Fourth Proportional to 17,317.18, 25,966.55 and 8,988.82

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Solution

The fourth proportional to 17,317.18, 25,966.55 and 8,988.82 is: 13,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,317.18 : 25,966.55 = 8,988.82 : x
  2. Step 2: Convert to fraction form
    17,317.18/25,966.55 = 8,988.82/x
  3. Step 3: Cross multiply
    17,317.18x = 25,966.55 × 8,988.82
  4. Step 4: Simplify right side
    17,317.18x = 233,408,599.03
  5. Step 5: Solve for x
    x = 233,408,599.03/17,317.18
  6. Step 6: Final answer
    x = 13,478.44

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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.