Home / 18,408.52-25,404.36-10,343.60

Finding the Fourth Proportional to 18,408.52, 25,404.36 and 10,343.60

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Solution

The fourth proportional to 18,408.52, 25,404.36 and 10,343.60 is: 14,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.52 : 25,404.36 = 10,343.60 : x
  2. Step 2: Convert to fraction form
    18,408.52/25,404.36 = 10,343.60/x
  3. Step 3: Cross multiply
    18,408.52x = 25,404.36 × 10,343.60
  4. Step 4: Simplify right side
    18,408.52x = 262,772,538.10
  5. Step 5: Solve for x
    x = 262,772,538.10/18,408.52
  6. Step 6: Final answer
    x = 14,274.51

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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.