Home / 14,137.02-19,507.64-8,170.60

Finding the Fourth Proportional to 14,137.02, 19,507.64 and 8,170.60

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Solution

The fourth proportional to 14,137.02, 19,507.64 and 8,170.60 is: 11,274.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.02 : 19,507.64 = 8,170.60 : x
  2. Step 2: Convert to fraction form
    14,137.02/19,507.64 = 8,170.60/x
  3. Step 3: Cross multiply
    14,137.02x = 19,507.64 × 8,170.60
  4. Step 4: Simplify right side
    14,137.02x = 159,389,123.38
  5. Step 5: Solve for x
    x = 159,389,123.38/14,137.02
  6. Step 6: Final answer
    x = 11,274.59

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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.