Home / 22,975.75-31,706.55-13,039.75

Finding the Fourth Proportional to 22,975.75, 31,706.55 and 13,039.75

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Solution

The fourth proportional to 22,975.75, 31,706.55 and 13,039.75 is: 17,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,975.75 : 31,706.55 = 13,039.75 : x
  2. Step 2: Convert to fraction form
    22,975.75/31,706.55 = 13,039.75/x
  3. Step 3: Cross multiply
    22,975.75x = 31,706.55 × 13,039.75
  4. Step 4: Simplify right side
    22,975.75x = 413,445,485.36
  5. Step 5: Solve for x
    x = 413,445,485.36/22,975.75
  6. Step 6: Final answer
    x = 17,994.86

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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.