Home / 14,778.63-22,171.66-4,390.38

Finding the Fourth Proportional to 14,778.63, 22,171.66 and 4,390.38

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Solution

The fourth proportional to 14,778.63, 22,171.66 and 4,390.38 is: 6,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.63 : 22,171.66 = 4,390.38 : x
  2. Step 2: Convert to fraction form
    14,778.63/22,171.66 = 4,390.38/x
  3. Step 3: Cross multiply
    14,778.63x = 22,171.66 × 4,390.38
  4. Step 4: Simplify right side
    14,778.63x = 97,342,001.65
  5. Step 5: Solve for x
    x = 97,342,001.65/14,778.63
  6. Step 6: Final answer
    x = 6,586.67

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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.