Home / 14,798.26-20,420.86-8,082.65

Finding the Fourth Proportional to 14,798.26, 20,420.86 and 8,082.65

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Solution

The fourth proportional to 14,798.26, 20,420.86 and 8,082.65 is: 11,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798.26 : 20,420.86 = 8,082.65 : x
  2. Step 2: Convert to fraction form
    14,798.26/20,420.86 = 8,082.65/x
  3. Step 3: Cross multiply
    14,798.26x = 20,420.86 × 8,082.65
  4. Step 4: Simplify right side
    14,798.26x = 165,054,664.08
  5. Step 5: Solve for x
    x = 165,054,664.08/14,798.26
  6. Step 6: Final answer
    x = 11,153.65

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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.