Home / 23,217.08-32,040.24-13,145.30

Finding the Fourth Proportional to 23,217.08, 32,040.24 and 13,145.30

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Solution

The fourth proportional to 23,217.08, 32,040.24 and 13,145.30 is: 18,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,217.08 : 32,040.24 = 13,145.30 : x
  2. Step 2: Convert to fraction form
    23,217.08/32,040.24 = 13,145.30/x
  3. Step 3: Cross multiply
    23,217.08x = 32,040.24 × 13,145.30
  4. Step 4: Simplify right side
    23,217.08x = 421,178,566.87
  5. Step 5: Solve for x
    x = 421,178,566.87/23,217.08
  6. Step 6: Final answer
    x = 18,140.89

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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.