Home / 25,813.42-38,686.11-10,222.54

Finding the Fourth Proportional to 25,813.42, 38,686.11 and 10,222.54

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Solution

The fourth proportional to 25,813.42, 38,686.11 and 10,222.54 is: 15,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,813.42 : 38,686.11 = 10,222.54 : x
  2. Step 2: Convert to fraction form
    25,813.42/38,686.11 = 10,222.54/x
  3. Step 3: Cross multiply
    25,813.42x = 38,686.11 × 10,222.54
  4. Step 4: Simplify right side
    25,813.42x = 395,470,306.92
  5. Step 5: Solve for x
    x = 395,470,306.92/25,813.42
  6. Step 6: Final answer
    x = 15,320.34

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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.