Home / 13,500.60-18,623.34-7,910.52

Finding the Fourth Proportional to 13,500.60, 18,623.34 and 7,910.52

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Solution

The fourth proportional to 13,500.60, 18,623.34 and 7,910.52 is: 10,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.60 : 18,623.34 = 7,910.52 : x
  2. Step 2: Convert to fraction form
    13,500.60/18,623.34 = 7,910.52/x
  3. Step 3: Cross multiply
    13,500.60x = 18,623.34 × 7,910.52
  4. Step 4: Simplify right side
    13,500.60x = 147,320,303.54
  5. Step 5: Solve for x
    x = 147,320,303.54/13,500.60
  6. Step 6: Final answer
    x = 10,912.13

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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.