Home / 16,987.20-23,442.03-9,433.14

Finding the Fourth Proportional to 16,987.20, 23,442.03 and 9,433.14

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Solution

The fourth proportional to 16,987.20, 23,442.03 and 9,433.14 is: 13,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.20 : 23,442.03 = 9,433.14 : x
  2. Step 2: Convert to fraction form
    16,987.20/23,442.03 = 9,433.14/x
  3. Step 3: Cross multiply
    16,987.20x = 23,442.03 × 9,433.14
  4. Step 4: Simplify right side
    16,987.20x = 221,131,950.87
  5. Step 5: Solve for x
    x = 221,131,950.87/16,987.20
  6. Step 6: Final answer
    x = 13,017.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.