Home / 23,399.40-32,291.13-12,644.28

Finding the Fourth Proportional to 23,399.40, 32,291.13 and 12,644.28

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Solution

The fourth proportional to 23,399.40, 32,291.13 and 12,644.28 is: 17,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,399.40 : 32,291.13 = 12,644.28 : x
  2. Step 2: Convert to fraction form
    23,399.40/32,291.13 = 12,644.28/x
  3. Step 3: Cross multiply
    23,399.40x = 32,291.13 × 12,644.28
  4. Step 4: Simplify right side
    23,399.40x = 408,298,089.24
  5. Step 5: Solve for x
    x = 408,298,089.24/23,399.40
  6. Step 6: Final answer
    x = 17,449.08

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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.