Home / 14,745.91-20,349.60-8,031.67

Finding the Fourth Proportional to 14,745.91, 20,349.60 and 8,031.67

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Solution

The fourth proportional to 14,745.91, 20,349.60 and 8,031.67 is: 11,083.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.91 : 20,349.60 = 8,031.67 : x
  2. Step 2: Convert to fraction form
    14,745.91/20,349.60 = 8,031.67/x
  3. Step 3: Cross multiply
    14,745.91x = 20,349.60 × 8,031.67
  4. Step 4: Simplify right side
    14,745.91x = 163,441,129.93
  5. Step 5: Solve for x
    x = 163,441,129.93/14,745.91
  6. Step 6: Final answer
    x = 11,083.83

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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.