Home / 25,013.72-37,485.95-12,517.85

Finding the Fourth Proportional to 25,013.72, 37,485.95 and 12,517.85

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Solution

The fourth proportional to 25,013.72, 37,485.95 and 12,517.85 is: 18,759.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,013.72 : 37,485.95 = 12,517.85 : x
  2. Step 2: Convert to fraction form
    25,013.72/37,485.95 = 12,517.85/x
  3. Step 3: Cross multiply
    25,013.72x = 37,485.95 × 12,517.85
  4. Step 4: Simplify right side
    25,013.72x = 469,243,249.19
  5. Step 5: Solve for x
    x = 469,243,249.19/25,013.72
  6. Step 6: Final answer
    x = 18,759.44

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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.