Home / 23,039.19-31,794.14-12,967.78

Finding the Fourth Proportional to 23,039.19, 31,794.14 and 12,967.78

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Solution

The fourth proportional to 23,039.19, 31,794.14 and 12,967.78 is: 17,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,039.19 : 31,794.14 = 12,967.78 : x
  2. Step 2: Convert to fraction form
    23,039.19/31,794.14 = 12,967.78/x
  3. Step 3: Cross multiply
    23,039.19x = 31,794.14 × 12,967.78
  4. Step 4: Simplify right side
    23,039.19x = 412,299,365.74
  5. Step 5: Solve for x
    x = 412,299,365.74/23,039.19
  6. Step 6: Final answer
    x = 17,895.57

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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.