Home / 18,487.74-25,513.07-10,104.24

Finding the Fourth Proportional to 18,487.74, 25,513.07 and 10,104.24

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Solution

The fourth proportional to 18,487.74, 25,513.07 and 10,104.24 is: 13,943.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487.74 : 25,513.07 = 10,104.24 : x
  2. Step 2: Convert to fraction form
    18,487.74/25,513.07 = 10,104.24/x
  3. Step 3: Cross multiply
    18,487.74x = 25,513.07 × 10,104.24
  4. Step 4: Simplify right side
    18,487.74x = 257,790,112.00
  5. Step 5: Solve for x
    x = 257,790,112.00/18,487.74
  6. Step 6: Final answer
    x = 13,943.84

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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.