Home / 13,108.06-19,648.25-9,408.29

Finding the Fourth Proportional to 13,108.06, 19,648.25 and 9,408.29

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Solution

The fourth proportional to 13,108.06, 19,648.25 and 9,408.29 is: 14,102.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.06 : 19,648.25 = 9,408.29 : x
  2. Step 2: Convert to fraction form
    13,108.06/19,648.25 = 9,408.29/x
  3. Step 3: Cross multiply
    13,108.06x = 19,648.25 × 9,408.29
  4. Step 4: Simplify right side
    13,108.06x = 184,856,288.71
  5. Step 5: Solve for x
    x = 184,856,288.71/13,108.06
  6. Step 6: Final answer
    x = 14,102.49

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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.