Home / 23,289.21-32,139.90-13,082.05

Finding the Fourth Proportional to 23,289.21, 32,139.90 and 13,082.05

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Solution

The fourth proportional to 23,289.21, 32,139.90 and 13,082.05 is: 18,053.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.21 : 32,139.90 = 13,082.05 : x
  2. Step 2: Convert to fraction form
    23,289.21/32,139.90 = 13,082.05/x
  3. Step 3: Cross multiply
    23,289.21x = 32,139.90 × 13,082.05
  4. Step 4: Simplify right side
    23,289.21x = 420,455,552.69
  5. Step 5: Solve for x
    x = 420,455,552.69/23,289.21
  6. Step 6: Final answer
    x = 18,053.66

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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.