Home / 14,865.02-20,515.83-9,201.55

Finding the Fourth Proportional to 14,865.02, 20,515.83 and 9,201.55

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Solution

The fourth proportional to 14,865.02, 20,515.83 and 9,201.55 is: 12,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.02 : 20,515.83 = 9,201.55 : x
  2. Step 2: Convert to fraction form
    14,865.02/20,515.83 = 9,201.55/x
  3. Step 3: Cross multiply
    14,865.02x = 20,515.83 × 9,201.55
  4. Step 4: Simplify right side
    14,865.02x = 188,777,439.97
  5. Step 5: Solve for x
    x = 188,777,439.97/14,865.02
  6. Step 6: Final answer
    x = 12,699.44

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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.