Home / 23,169.24-31,973.40-12,558.78

Finding the Fourth Proportional to 23,169.24, 31,973.40 and 12,558.78

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Solution

The fourth proportional to 23,169.24, 31,973.40 and 12,558.78 is: 17,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.24 : 31,973.40 = 12,558.78 : x
  2. Step 2: Convert to fraction form
    23,169.24/31,973.40 = 12,558.78/x
  3. Step 3: Cross multiply
    23,169.24x = 31,973.40 × 12,558.78
  4. Step 4: Simplify right side
    23,169.24x = 401,546,896.45
  5. Step 5: Solve for x
    x = 401,546,896.45/23,169.24
  6. Step 6: Final answer
    x = 17,331.03

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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.