Home / 13,151.24-19,815.63-10,862.53

Finding the Fourth Proportional to 13,151.24, 19,815.63 and 10,862.53

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Solution

The fourth proportional to 13,151.24, 19,815.63 and 10,862.53 is: 16,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.24 : 19,815.63 = 10,862.53 : x
  2. Step 2: Convert to fraction form
    13,151.24/19,815.63 = 10,862.53/x
  3. Step 3: Cross multiply
    13,151.24x = 19,815.63 × 10,862.53
  4. Step 4: Simplify right side
    13,151.24x = 215,247,776.27
  5. Step 5: Solve for x
    x = 215,247,776.27/13,151.24
  6. Step 6: Final answer
    x = 16,367.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.