Home / 19,282.16-28,922.96-5,242.52

Finding the Fourth Proportional to 19,282.16, 28,922.96 and 5,242.52

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Solution

The fourth proportional to 19,282.16, 28,922.96 and 5,242.52 is: 7,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.16 : 28,922.96 = 5,242.52 : x
  2. Step 2: Convert to fraction form
    19,282.16/28,922.96 = 5,242.52/x
  3. Step 3: Cross multiply
    19,282.16x = 28,922.96 × 5,242.52
  4. Step 4: Simplify right side
    19,282.16x = 151,629,196.26
  5. Step 5: Solve for x
    x = 151,629,196.26/19,282.16
  6. Step 6: Final answer
    x = 7,863.70

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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.