Home / 18,641.85-25,725.56-10,144.23

Finding the Fourth Proportional to 18,641.85, 25,725.56 and 10,144.23

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Solution

The fourth proportional to 18,641.85, 25,725.56 and 10,144.23 is: 13,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641.85 : 25,725.56 = 10,144.23 : x
  2. Step 2: Convert to fraction form
    18,641.85/25,725.56 = 10,144.23/x
  3. Step 3: Cross multiply
    18,641.85x = 25,725.56 × 10,144.23
  4. Step 4: Simplify right side
    18,641.85x = 260,965,946.80
  5. Step 5: Solve for x
    x = 260,965,946.80/18,641.85
  6. Step 6: Final answer
    x = 13,998.93

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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.