Home / 18,537.49-25,581.61-10,039.42

Finding the Fourth Proportional to 18,537.49, 25,581.61 and 10,039.42

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Solution

The fourth proportional to 18,537.49, 25,581.61 and 10,039.42 is: 13,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.49 : 25,581.61 = 10,039.42 : x
  2. Step 2: Convert to fraction form
    18,537.49/25,581.61 = 10,039.42/x
  3. Step 3: Cross multiply
    18,537.49x = 25,581.61 × 10,039.42
  4. Step 4: Simplify right side
    18,537.49x = 256,824,571.59
  5. Step 5: Solve for x
    x = 256,824,571.59/18,537.49
  6. Step 6: Final answer
    x = 13,854.33

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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.