Home / 22,108.04-30,509.82-12,036.90

Finding the Fourth Proportional to 22,108.04, 30,509.82 and 12,036.90

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Solution

The fourth proportional to 22,108.04, 30,509.82 and 12,036.90 is: 16,611.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.04 : 30,509.82 = 12,036.90 : x
  2. Step 2: Convert to fraction form
    22,108.04/30,509.82 = 12,036.90/x
  3. Step 3: Cross multiply
    22,108.04x = 30,509.82 × 12,036.90
  4. Step 4: Simplify right side
    22,108.04x = 367,243,652.36
  5. Step 5: Solve for x
    x = 367,243,652.36/22,108.04
  6. Step 6: Final answer
    x = 16,611.32

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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.