Home / 18,588.02-25,616.86-12,619.94

Finding the Fourth Proportional to 18,588.02, 25,616.86 and 12,619.94

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Solution

The fourth proportional to 18,588.02, 25,616.86 and 12,619.94 is: 17,392.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.02 : 25,616.86 = 12,619.94 : x
  2. Step 2: Convert to fraction form
    18,588.02/25,616.86 = 12,619.94/x
  3. Step 3: Cross multiply
    18,588.02x = 25,616.86 × 12,619.94
  4. Step 4: Simplify right side
    18,588.02x = 323,283,076.55
  5. Step 5: Solve for x
    x = 323,283,076.55/18,588.02
  6. Step 6: Final answer
    x = 17,392.02

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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.