Home / 15,983.32-23,984.34-8,979.16

Finding the Fourth Proportional to 15,983.32, 23,984.34 and 8,979.16

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Solution

The fourth proportional to 15,983.32, 23,984.34 and 8,979.16 is: 13,474.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.32 : 23,984.34 = 8,979.16 : x
  2. Step 2: Convert to fraction form
    15,983.32/23,984.34 = 8,979.16/x
  3. Step 3: Cross multiply
    15,983.32x = 23,984.34 × 8,979.16
  4. Step 4: Simplify right side
    15,983.32x = 215,359,226.35
  5. Step 5: Solve for x
    x = 215,359,226.35/15,983.32
  6. Step 6: Final answer
    x = 13,474.00

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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.