Home / 22,079.05-30,469.29-12,007.58

Finding the Fourth Proportional to 22,079.05, 30,469.29 and 12,007.58

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Solution

The fourth proportional to 22,079.05, 30,469.29 and 12,007.58 is: 16,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079.05 : 30,469.29 = 12,007.58 : x
  2. Step 2: Convert to fraction form
    22,079.05/30,469.29 = 12,007.58/x
  3. Step 3: Cross multiply
    22,079.05x = 30,469.29 × 12,007.58
  4. Step 4: Simplify right side
    22,079.05x = 365,862,437.22
  5. Step 5: Solve for x
    x = 365,862,437.22/22,079.05
  6. Step 6: Final answer
    x = 16,570.57

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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.