Home / 13,015.24-17,951.77-8,983.62

Finding the Fourth Proportional to 13,015.24, 17,951.77 and 8,983.62

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Solution

The fourth proportional to 13,015.24, 17,951.77 and 8,983.62 is: 12,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.24 : 17,951.77 = 8,983.62 : x
  2. Step 2: Convert to fraction form
    13,015.24/17,951.77 = 8,983.62/x
  3. Step 3: Cross multiply
    13,015.24x = 17,951.77 × 8,983.62
  4. Step 4: Simplify right side
    13,015.24x = 161,271,857.55
  5. Step 5: Solve for x
    x = 161,271,857.55/13,015.24
  6. Step 6: Final answer
    x = 12,391.00

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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.