Home / 16,972.44-23,420.70-9,519

Finding the Fourth Proportional to 16,972.44, 23,420.70 and 9,519

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Solution

The fourth proportional to 16,972.44, 23,420.70 and 9,519 is: 13,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.44 : 23,420.70 = 9,519 : x
  2. Step 2: Convert to fraction form
    16,972.44/23,420.70 = 9,519/x
  3. Step 3: Cross multiply
    16,972.44x = 23,420.70 × 9,519
  4. Step 4: Simplify right side
    16,972.44x = 222,941,643.30
  5. Step 5: Solve for x
    x = 222,941,643.30/16,972.44
  6. Step 6: Final answer
    x = 13,135.51

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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.