Home / 13,305.24-19,960.98-4,540.18

Finding the Fourth Proportional to 13,305.24, 19,960.98 and 4,540.18

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Solution

The fourth proportional to 13,305.24, 19,960.98 and 4,540.18 is: 6,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.24 : 19,960.98 = 4,540.18 : x
  2. Step 2: Convert to fraction form
    13,305.24/19,960.98 = 4,540.18/x
  3. Step 3: Cross multiply
    13,305.24x = 19,960.98 × 4,540.18
  4. Step 4: Simplify right side
    13,305.24x = 90,626,442.18
  5. Step 5: Solve for x
    x = 90,626,442.18/13,305.24
  6. Step 6: Final answer
    x = 6,811.33

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1.5x scale

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.