Home / 13,452.85-18,563.34-7,483.71

Finding the Fourth Proportional to 13,452.85, 18,563.34 and 7,483.71

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Solution

The fourth proportional to 13,452.85, 18,563.34 and 7,483.71 is: 10,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.85 : 18,563.34 = 7,483.71 : x
  2. Step 2: Convert to fraction form
    13,452.85/18,563.34 = 7,483.71/x
  3. Step 3: Cross multiply
    13,452.85x = 18,563.34 × 7,483.71
  4. Step 4: Simplify right side
    13,452.85x = 138,922,653.19
  5. Step 5: Solve for x
    x = 138,922,653.19/13,452.85
  6. Step 6: Final answer
    x = 10,326.63

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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.