Home / 20,055.23-30,072.72-11,737.75

Finding the Fourth Proportional to 20,055.23, 30,072.72 and 11,737.75

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Solution

The fourth proportional to 20,055.23, 30,072.72 and 11,737.75 is: 17,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.23 : 30,072.72 = 11,737.75 : x
  2. Step 2: Convert to fraction form
    20,055.23/30,072.72 = 11,737.75/x
  3. Step 3: Cross multiply
    20,055.23x = 30,072.72 × 11,737.75
  4. Step 4: Simplify right side
    20,055.23x = 352,986,069.18
  5. Step 5: Solve for x
    x = 352,986,069.18/20,055.23
  6. Step 6: Final answer
    x = 17,600.70

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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.