Home / 13,023.72-19,492.38-10,408.68

Finding the Fourth Proportional to 13,023.72, 19,492.38 and 10,408.68

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Solution

The fourth proportional to 13,023.72, 19,492.38 and 10,408.68 is: 15,578.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.72 : 19,492.38 = 10,408.68 : x
  2. Step 2: Convert to fraction form
    13,023.72/19,492.38 = 10,408.68/x
  3. Step 3: Cross multiply
    13,023.72x = 19,492.38 × 10,408.68
  4. Step 4: Simplify right side
    13,023.72x = 202,889,945.86
  5. Step 5: Solve for x
    x = 202,889,945.86/13,023.72
  6. Step 6: Final answer
    x = 15,578.49

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1.5x scale

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.