Home / 19,034.60-28,542.03-10,147.53

Finding the Fourth Proportional to 19,034.60, 28,542.03 and 10,147.53

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Solution

The fourth proportional to 19,034.60, 28,542.03 and 10,147.53 is: 15,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,034.60 : 28,542.03 = 10,147.53 : x
  2. Step 2: Convert to fraction form
    19,034.60/28,542.03 = 10,147.53/x
  3. Step 3: Cross multiply
    19,034.60x = 28,542.03 × 10,147.53
  4. Step 4: Simplify right side
    19,034.60x = 289,631,266.08
  5. Step 5: Solve for x
    x = 289,631,266.08/19,034.60
  6. Step 6: Final answer
    x = 15,216.05

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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.