Home / 25,518.24-38,278.23-19,604.12

Finding the Fourth Proportional to 25,518.24, 38,278.23 and 19,604.12

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Solution

The fourth proportional to 25,518.24, 38,278.23 and 19,604.12 is: 29,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.24 : 38,278.23 = 19,604.12 : x
  2. Step 2: Convert to fraction form
    25,518.24/38,278.23 = 19,604.12/x
  3. Step 3: Cross multiply
    25,518.24x = 38,278.23 × 19,604.12
  4. Step 4: Simplify right side
    25,518.24x = 750,410,892.94
  5. Step 5: Solve for x
    x = 750,410,892.94/25,518.24
  6. Step 6: Final answer
    x = 29,406.84

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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.