Home / 19,021.74-28,537.56-7,331.10

Finding the Fourth Proportional to 19,021.74, 28,537.56 and 7,331.10

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Solution

The fourth proportional to 19,021.74, 28,537.56 and 7,331.10 is: 10,998.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.74 : 28,537.56 = 7,331.10 : x
  2. Step 2: Convert to fraction form
    19,021.74/28,537.56 = 7,331.10/x
  3. Step 3: Cross multiply
    19,021.74x = 28,537.56 × 7,331.10
  4. Step 4: Simplify right side
    19,021.74x = 209,211,706.12
  5. Step 5: Solve for x
    x = 209,211,706.12/19,021.74
  6. Step 6: Final answer
    x = 10,998.56

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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.