Home / 18,735.71-25,854.97-10,237.65

Finding the Fourth Proportional to 18,735.71, 25,854.97 and 10,237.65

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Solution

The fourth proportional to 18,735.71, 25,854.97 and 10,237.65 is: 14,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.71 : 25,854.97 = 10,237.65 : x
  2. Step 2: Convert to fraction form
    18,735.71/25,854.97 = 10,237.65/x
  3. Step 3: Cross multiply
    18,735.71x = 25,854.97 × 10,237.65
  4. Step 4: Simplify right side
    18,735.71x = 264,693,978.75
  5. Step 5: Solve for x
    x = 264,693,978.75/18,735.71
  6. Step 6: Final answer
    x = 14,127.78

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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.