Home / 23,450.80-32,362.07-12,840.81

Finding the Fourth Proportional to 23,450.80, 32,362.07 and 12,840.81

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Solution

The fourth proportional to 23,450.80, 32,362.07 and 12,840.81 is: 17,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,450.80 : 32,362.07 = 12,840.81 : x
  2. Step 2: Convert to fraction form
    23,450.80/32,362.07 = 12,840.81/x
  3. Step 3: Cross multiply
    23,450.80x = 32,362.07 × 12,840.81
  4. Step 4: Simplify right side
    23,450.80x = 415,555,224.18
  5. Step 5: Solve for x
    x = 415,555,224.18/23,450.80
  6. Step 6: Final answer
    x = 17,720.30

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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.