Home / 19,281.45-28,924.31-6,130.75

Finding the Fourth Proportional to 19,281.45, 28,924.31 and 6,130.75

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Solution

The fourth proportional to 19,281.45, 28,924.31 and 6,130.75 is: 9,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.45 : 28,924.31 = 6,130.75 : x
  2. Step 2: Convert to fraction form
    19,281.45/28,924.31 = 6,130.75/x
  3. Step 3: Cross multiply
    19,281.45x = 28,924.31 × 6,130.75
  4. Step 4: Simplify right side
    19,281.45x = 177,327,610.57
  5. Step 5: Solve for x
    x = 177,327,610.57/19,281.45
  6. Step 6: Final answer
    x = 9,196.80

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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.