Home / 17,579.16-24,259.28-9,621.90

Finding the Fourth Proportional to 17,579.16, 24,259.28 and 9,621.90

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Solution

The fourth proportional to 17,579.16, 24,259.28 and 9,621.90 is: 13,278.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,579.16 : 24,259.28 = 9,621.90 : x
  2. Step 2: Convert to fraction form
    17,579.16/24,259.28 = 9,621.90/x
  3. Step 3: Cross multiply
    17,579.16x = 24,259.28 × 9,621.90
  4. Step 4: Simplify right side
    17,579.16x = 233,420,318.12
  5. Step 5: Solve for x
    x = 233,420,318.12/17,579.16
  6. Step 6: Final answer
    x = 13,278.24

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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.