Home / 16,770.77-23,142.30-9,697.64

Finding the Fourth Proportional to 16,770.77, 23,142.30 and 9,697.64

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Solution

The fourth proportional to 16,770.77, 23,142.30 and 9,697.64 is: 13,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.77 : 23,142.30 = 9,697.64 : x
  2. Step 2: Convert to fraction form
    16,770.77/23,142.30 = 9,697.64/x
  3. Step 3: Cross multiply
    16,770.77x = 23,142.30 × 9,697.64
  4. Step 4: Simplify right side
    16,770.77x = 224,425,752.03
  5. Step 5: Solve for x
    x = 224,425,752.03/16,770.77
  6. Step 6: Final answer
    x = 13,381.96

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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.