Home / 25,288.10-34,910.69-18,474.47

Finding the Fourth Proportional to 25,288.10, 34,910.69 and 18,474.47

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Solution

The fourth proportional to 25,288.10, 34,910.69 and 18,474.47 is: 25,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.10 : 34,910.69 = 18,474.47 : x
  2. Step 2: Convert to fraction form
    25,288.10/34,910.69 = 18,474.47/x
  3. Step 3: Cross multiply
    25,288.10x = 34,910.69 × 18,474.47
  4. Step 4: Simplify right side
    25,288.10x = 644,956,462.99
  5. Step 5: Solve for x
    x = 644,956,462.99/25,288.10
  6. Step 6: Final answer
    x = 25,504.35

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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.