Home / 14,621.30-20,176.25-8,333.67

Finding the Fourth Proportional to 14,621.30, 20,176.25 and 8,333.67

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Solution

The fourth proportional to 14,621.30, 20,176.25 and 8,333.67 is: 11,499.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.30 : 20,176.25 = 8,333.67 : x
  2. Step 2: Convert to fraction form
    14,621.30/20,176.25 = 8,333.67/x
  3. Step 3: Cross multiply
    14,621.30x = 20,176.25 × 8,333.67
  4. Step 4: Simplify right side
    14,621.30x = 168,142,167.67
  5. Step 5: Solve for x
    x = 168,142,167.67/14,621.30
  6. Step 6: Final answer
    x = 11,499.81

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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.