Home / 19,863.74-29,795.61-5,072.13

Finding the Fourth Proportional to 19,863.74, 29,795.61 and 5,072.13

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Solution

The fourth proportional to 19,863.74, 29,795.61 and 5,072.13 is: 7,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.74 : 29,795.61 = 5,072.13 : x
  2. Step 2: Convert to fraction form
    19,863.74/29,795.61 = 5,072.13/x
  3. Step 3: Cross multiply
    19,863.74x = 29,795.61 × 5,072.13
  4. Step 4: Simplify right side
    19,863.74x = 151,127,058.37
  5. Step 5: Solve for x
    x = 151,127,058.37/19,863.74
  6. Step 6: Final answer
    x = 7,608.19

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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.