Home / 15,960.36-22,023.72-8,887.44

Finding the Fourth Proportional to 15,960.36, 22,023.72 and 8,887.44

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Solution

The fourth proportional to 15,960.36, 22,023.72 and 8,887.44 is: 12,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,960.36 : 22,023.72 = 8,887.44 : x
  2. Step 2: Convert to fraction form
    15,960.36/22,023.72 = 8,887.44/x
  3. Step 3: Cross multiply
    15,960.36x = 22,023.72 × 8,887.44
  4. Step 4: Simplify right side
    15,960.36x = 195,734,490.08
  5. Step 5: Solve for x
    x = 195,734,490.08/15,960.36
  6. Step 6: Final answer
    x = 12,263.79

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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.