Home / 14,771.02-20,383.50-8,799.59

Finding the Fourth Proportional to 14,771.02, 20,383.50 and 8,799.59

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Solution

The fourth proportional to 14,771.02, 20,383.50 and 8,799.59 is: 12,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.02 : 20,383.50 = 8,799.59 : x
  2. Step 2: Convert to fraction form
    14,771.02/20,383.50 = 8,799.59/x
  3. Step 3: Cross multiply
    14,771.02x = 20,383.50 × 8,799.59
  4. Step 4: Simplify right side
    14,771.02x = 179,366,442.77
  5. Step 5: Solve for x
    x = 179,366,442.77/14,771.02
  6. Step 6: Final answer
    x = 12,143.14

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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.