Home / 23,305.79-32,166.15-13,745.09

Finding the Fourth Proportional to 23,305.79, 32,166.15 and 13,745.09

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Solution

The fourth proportional to 23,305.79, 32,166.15 and 13,745.09 is: 18,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,305.79 : 32,166.15 = 13,745.09 : x
  2. Step 2: Convert to fraction form
    23,305.79/32,166.15 = 13,745.09/x
  3. Step 3: Cross multiply
    23,305.79x = 32,166.15 × 13,745.09
  4. Step 4: Simplify right side
    23,305.79x = 442,126,465.87
  5. Step 5: Solve for x
    x = 442,126,465.87/23,305.79
  6. Step 6: Final answer
    x = 18,970.67

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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.