Home / 14,941.54-20,618.50-8,226.90

Finding the Fourth Proportional to 14,941.54, 20,618.50 and 8,226.90

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Solution

The fourth proportional to 14,941.54, 20,618.50 and 8,226.90 is: 11,352.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,941.54 : 20,618.50 = 8,226.90 : x
  2. Step 2: Convert to fraction form
    14,941.54/20,618.50 = 8,226.90/x
  3. Step 3: Cross multiply
    14,941.54x = 20,618.50 × 8,226.90
  4. Step 4: Simplify right side
    14,941.54x = 169,626,337.65
  5. Step 5: Solve for x
    x = 169,626,337.65/14,941.54
  6. Step 6: Final answer
    x = 11,352.67

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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.