Home / 13,452.14-18,563.69-7,483.79

Finding the Fourth Proportional to 13,452.14, 18,563.69 and 7,483.79

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Solution

The fourth proportional to 13,452.14, 18,563.69 and 7,483.79 is: 10,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.14 : 18,563.69 = 7,483.79 : x
  2. Step 2: Convert to fraction form
    13,452.14/18,563.69 = 7,483.79/x
  3. Step 3: Cross multiply
    13,452.14x = 18,563.69 × 7,483.79
  4. Step 4: Simplify right side
    13,452.14x = 138,926,683.48
  5. Step 5: Solve for x
    x = 138,926,683.48/13,452.14
  6. Step 6: Final answer
    x = 10,327.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.