Home / 22,199.32-30,634.10-12,127.27

Finding the Fourth Proportional to 22,199.32, 30,634.10 and 12,127.27

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Solution

The fourth proportional to 22,199.32, 30,634.10 and 12,127.27 is: 16,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,199.32 : 30,634.10 = 12,127.27 : x
  2. Step 2: Convert to fraction form
    22,199.32/30,634.10 = 12,127.27/x
  3. Step 3: Cross multiply
    22,199.32x = 30,634.10 × 12,127.27
  4. Step 4: Simplify right side
    22,199.32x = 371,507,967.60
  5. Step 5: Solve for x
    x = 371,507,967.60/22,199.32
  6. Step 6: Final answer
    x = 16,735.11

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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.