Home / 18,144.26-25,037.73-10,187.70

Finding the Fourth Proportional to 18,144.26, 25,037.73 and 10,187.70

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Solution

The fourth proportional to 18,144.26, 25,037.73 and 10,187.70 is: 14,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.26 : 25,037.73 = 10,187.70 : x
  2. Step 2: Convert to fraction form
    18,144.26/25,037.73 = 10,187.70/x
  3. Step 3: Cross multiply
    18,144.26x = 25,037.73 × 10,187.70
  4. Step 4: Simplify right side
    18,144.26x = 255,076,881.92
  5. Step 5: Solve for x
    x = 255,076,881.92/18,144.26
  6. Step 6: Final answer
    x = 14,058.27

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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.