Home / 14,813.95-20,443.38-8,099.45

Finding the Fourth Proportional to 14,813.95, 20,443.38 and 8,099.45

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Solution

The fourth proportional to 14,813.95, 20,443.38 and 8,099.45 is: 11,177.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,813.95 : 20,443.38 = 8,099.45 : x
  2. Step 2: Convert to fraction form
    14,813.95/20,443.38 = 8,099.45/x
  3. Step 3: Cross multiply
    14,813.95x = 20,443.38 × 8,099.45
  4. Step 4: Simplify right side
    14,813.95x = 165,580,134.14
  5. Step 5: Solve for x
    x = 165,580,134.14/14,813.95
  6. Step 6: Final answer
    x = 11,177.31

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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.