Home / 23,401.08-35,115.87-12,315.66

Finding the Fourth Proportional to 23,401.08, 35,115.87 and 12,315.66

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Solution

The fourth proportional to 23,401.08, 35,115.87 and 12,315.66 is: 18,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,401.08 : 35,115.87 = 12,315.66 : x
  2. Step 2: Convert to fraction form
    23,401.08/35,115.87 = 12,315.66/x
  3. Step 3: Cross multiply
    23,401.08x = 35,115.87 × 12,315.66
  4. Step 4: Simplify right side
    23,401.08x = 432,475,115.52
  5. Step 5: Solve for x
    x = 432,475,115.52/23,401.08
  6. Step 6: Final answer
    x = 18,480.99

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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.