Home / 13,408.22-18,492.19-10,058.47

Finding the Fourth Proportional to 13,408.22, 18,492.19 and 10,058.47

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Solution

The fourth proportional to 13,408.22, 18,492.19 and 10,058.47 is: 13,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408.22 : 18,492.19 = 10,058.47 : x
  2. Step 2: Convert to fraction form
    13,408.22/18,492.19 = 10,058.47/x
  3. Step 3: Cross multiply
    13,408.22x = 18,492.19 × 10,058.47
  4. Step 4: Simplify right side
    13,408.22x = 186,003,138.35
  5. Step 5: Solve for x
    x = 186,003,138.35/13,408.22
  6. Step 6: Final answer
    x = 13,872.32

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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.