Home / 16,892.60-25,322.70-13,142.30

Finding the Fourth Proportional to 16,892.60, 25,322.70 and 13,142.30

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Solution

The fourth proportional to 16,892.60, 25,322.70 and 13,142.30 is: 19,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,892.60 : 25,322.70 = 13,142.30 : x
  2. Step 2: Convert to fraction form
    16,892.60/25,322.70 = 13,142.30/x
  3. Step 3: Cross multiply
    16,892.60x = 25,322.70 × 13,142.30
  4. Step 4: Simplify right side
    16,892.60x = 332,798,520.21
  5. Step 5: Solve for x
    x = 332,798,520.21/16,892.60
  6. Step 6: Final answer
    x = 19,700.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.