Home / 14,684.02-20,255.47-9,372.85

Finding the Fourth Proportional to 14,684.02, 20,255.47 and 9,372.85

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Solution

The fourth proportional to 14,684.02, 20,255.47 and 9,372.85 is: 12,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,684.02 : 20,255.47 = 9,372.85 : x
  2. Step 2: Convert to fraction form
    14,684.02/20,255.47 = 9,372.85/x
  3. Step 3: Cross multiply
    14,684.02x = 20,255.47 × 9,372.85
  4. Step 4: Simplify right side
    14,684.02x = 189,851,481.99
  5. Step 5: Solve for x
    x = 189,851,481.99/14,684.02
  6. Step 6: Final answer
    x = 12,929.12

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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.