Home / 23,309.75-32,168.47-13,238.21

Finding the Fourth Proportional to 23,309.75, 32,168.47 and 13,238.21

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Solution

The fourth proportional to 23,309.75, 32,168.47 and 13,238.21 is: 18,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,309.75 : 32,168.47 = 13,238.21 : x
  2. Step 2: Convert to fraction form
    23,309.75/32,168.47 = 13,238.21/x
  3. Step 3: Cross multiply
    23,309.75x = 32,168.47 × 13,238.21
  4. Step 4: Simplify right side
    23,309.75x = 425,852,961.24
  5. Step 5: Solve for x
    x = 425,852,961.24/23,309.75
  6. Step 6: Final answer
    x = 18,269.31

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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.