Home / 22,199.16-30,634.86-12,767.70

Finding the Fourth Proportional to 22,199.16, 30,634.86 and 12,767.70

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Solution

The fourth proportional to 22,199.16, 30,634.86 and 12,767.70 is: 17,619.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,199.16 : 30,634.86 = 12,767.70 : x
  2. Step 2: Convert to fraction form
    22,199.16/30,634.86 = 12,767.70/x
  3. Step 3: Cross multiply
    22,199.16x = 30,634.86 × 12,767.70
  4. Step 4: Simplify right side
    22,199.16x = 391,136,702.02
  5. Step 5: Solve for x
    x = 391,136,702.02/22,199.16
  6. Step 6: Final answer
    x = 17,619.44

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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.