Home / 18,725.71-25,841.67-10,228.07

Finding the Fourth Proportional to 18,725.71, 25,841.67 and 10,228.07

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Solution

The fourth proportional to 18,725.71, 25,841.67 and 10,228.07 is: 14,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.71 : 25,841.67 = 10,228.07 : x
  2. Step 2: Convert to fraction form
    18,725.71/25,841.67 = 10,228.07/x
  3. Step 3: Cross multiply
    18,725.71x = 25,841.67 × 10,228.07
  4. Step 4: Simplify right side
    18,725.71x = 264,310,522.23
  5. Step 5: Solve for x
    x = 264,310,522.23/18,725.71
  6. Step 6: Final answer
    x = 14,114.85

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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.