Home / 23,169.18-31,973.67-12,558.99

Finding the Fourth Proportional to 23,169.18, 31,973.67 and 12,558.99

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Solution

The fourth proportional to 23,169.18, 31,973.67 and 12,558.99 is: 17,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.18 : 31,973.67 = 12,558.99 : x
  2. Step 2: Convert to fraction form
    23,169.18/31,973.67 = 12,558.99/x
  3. Step 3: Cross multiply
    23,169.18x = 31,973.67 × 12,558.99
  4. Step 4: Simplify right side
    23,169.18x = 401,557,001.79
  5. Step 5: Solve for x
    x = 401,557,001.79/23,169.18
  6. Step 6: Final answer
    x = 17,331.52

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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.