Home / 18,513.97-25,549.63-10,558.15

Finding the Fourth Proportional to 18,513.97, 25,549.63 and 10,558.15

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Solution

The fourth proportional to 18,513.97, 25,549.63 and 10,558.15 is: 14,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.97 : 25,549.63 = 10,558.15 : x
  2. Step 2: Convert to fraction form
    18,513.97/25,549.63 = 10,558.15/x
  3. Step 3: Cross multiply
    18,513.97x = 25,549.63 × 10,558.15
  4. Step 4: Simplify right side
    18,513.97x = 269,756,735.72
  5. Step 5: Solve for x
    x = 269,756,735.72/18,513.97
  6. Step 6: Final answer
    x = 14,570.44

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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.