Home / 23,689.81-32,692.20-13,079.44

Finding the Fourth Proportional to 23,689.81, 32,692.20 and 13,079.44

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Solution

The fourth proportional to 23,689.81, 32,692.20 and 13,079.44 is: 18,049.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.81 : 32,692.20 = 13,079.44 : x
  2. Step 2: Convert to fraction form
    23,689.81/32,692.20 = 13,079.44/x
  3. Step 3: Cross multiply
    23,689.81x = 32,692.20 × 13,079.44
  4. Step 4: Simplify right side
    23,689.81x = 427,595,668.37
  5. Step 5: Solve for x
    x = 427,595,668.37/23,689.81
  6. Step 6: Final answer
    x = 18,049.77

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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.