Home / 14,897.40-20,558.64-8,183.65

Finding the Fourth Proportional to 14,897.40, 20,558.64 and 8,183.65

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Solution

The fourth proportional to 14,897.40, 20,558.64 and 8,183.65 is: 11,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.40 : 20,558.64 = 8,183.65 : x
  2. Step 2: Convert to fraction form
    14,897.40/20,558.64 = 8,183.65/x
  3. Step 3: Cross multiply
    14,897.40x = 20,558.64 × 8,183.65
  4. Step 4: Simplify right side
    14,897.40x = 168,244,714.24
  5. Step 5: Solve for x
    x = 168,244,714.24/14,897.40
  6. Step 6: Final answer
    x = 11,293.56

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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.