Home / 15,808.73-21,826.22-10,145.92

Finding the Fourth Proportional to 15,808.73, 21,826.22 and 10,145.92

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Solution

The fourth proportional to 15,808.73, 21,826.22 and 10,145.92 is: 14,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808.73 : 21,826.22 = 10,145.92 : x
  2. Step 2: Convert to fraction form
    15,808.73/21,826.22 = 10,145.92/x
  3. Step 3: Cross multiply
    15,808.73x = 21,826.22 × 10,145.92
  4. Step 4: Simplify right side
    15,808.73x = 221,447,074.72
  5. Step 5: Solve for x
    x = 221,447,074.72/15,808.73
  6. Step 6: Final answer
    x = 14,007.90

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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.