Home / 15,871.29-23,865.26-15,229.77

Finding the Fourth Proportional to 15,871.29, 23,865.26 and 15,229.77

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Solution

The fourth proportional to 15,871.29, 23,865.26 and 15,229.77 is: 22,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871.29 : 23,865.26 = 15,229.77 : x
  2. Step 2: Convert to fraction form
    15,871.29/23,865.26 = 15,229.77/x
  3. Step 3: Cross multiply
    15,871.29x = 23,865.26 × 15,229.77
  4. Step 4: Simplify right side
    15,871.29x = 363,462,344.64
  5. Step 5: Solve for x
    x = 363,462,344.64/15,871.29
  6. Step 6: Final answer
    x = 22,900.62

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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.