Home / 14,813.40-20,442.43-8,099.02

Finding the Fourth Proportional to 14,813.40, 20,442.43 and 8,099.02

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Solution

The fourth proportional to 14,813.40, 20,442.43 and 8,099.02 is: 11,176.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,813.40 : 20,442.43 = 8,099.02 : x
  2. Step 2: Convert to fraction form
    14,813.40/20,442.43 = 8,099.02/x
  3. Step 3: Cross multiply
    14,813.40x = 20,442.43 × 8,099.02
  4. Step 4: Simplify right side
    14,813.40x = 165,563,649.42
  5. Step 5: Solve for x
    x = 165,563,649.42/14,813.40
  6. Step 6: Final answer
    x = 11,176.61

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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.