Home / 22,670.10-33,976.28-12,814.86

Finding the Fourth Proportional to 22,670.10, 33,976.28 and 12,814.86

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Solution

The fourth proportional to 22,670.10, 33,976.28 and 12,814.86 is: 19,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,670.10 : 33,976.28 = 12,814.86 : x
  2. Step 2: Convert to fraction form
    22,670.10/33,976.28 = 12,814.86/x
  3. Step 3: Cross multiply
    22,670.10x = 33,976.28 × 12,814.86
  4. Step 4: Simplify right side
    22,670.10x = 435,401,271.52
  5. Step 5: Solve for x
    x = 435,401,271.52/22,670.10
  6. Step 6: Final answer
    x = 19,205.97

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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.