Home / 13,131.24-19,696.85-4,366.23

Finding the Fourth Proportional to 13,131.24, 19,696.85 and 4,366.23

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Solution

The fourth proportional to 13,131.24, 19,696.85 and 4,366.23 is: 6,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.24 : 19,696.85 = 4,366.23 : x
  2. Step 2: Convert to fraction form
    13,131.24/19,696.85 = 4,366.23/x
  3. Step 3: Cross multiply
    13,131.24x = 19,696.85 × 4,366.23
  4. Step 4: Simplify right side
    13,131.24x = 86,000,977.38
  5. Step 5: Solve for x
    x = 86,000,977.38/13,131.24
  6. Step 6: Final answer
    x = 6,549.34

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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.