Home / 23,180.48-32,009.04-21,999.44

Finding the Fourth Proportional to 23,180.48, 32,009.04 and 21,999.44

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Solution

The fourth proportional to 23,180.48, 32,009.04 and 21,999.44 is: 30,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,180.48 : 32,009.04 = 21,999.44 : x
  2. Step 2: Convert to fraction form
    23,180.48/32,009.04 = 21,999.44/x
  3. Step 3: Cross multiply
    23,180.48x = 32,009.04 × 21,999.44
  4. Step 4: Simplify right side
    23,180.48x = 704,180,954.94
  5. Step 5: Solve for x
    x = 704,180,954.94/23,180.48
  6. Step 6: Final answer
    x = 30,378.19

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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.