Home / 18,796.02-27,979.23-18,515.72

Finding the Fourth Proportional to 18,796.02, 27,979.23 and 18,515.72

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Solution

The fourth proportional to 18,796.02, 27,979.23 and 18,515.72 is: 27,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796.02 : 27,979.23 = 18,515.72 : x
  2. Step 2: Convert to fraction form
    18,796.02/27,979.23 = 18,515.72/x
  3. Step 3: Cross multiply
    18,796.02x = 27,979.23 × 18,515.72
  4. Step 4: Simplify right side
    18,796.02x = 518,055,588.50
  5. Step 5: Solve for x
    x = 518,055,588.50/18,796.02
  6. Step 6: Final answer
    x = 27,561.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.