Home / 13,850.02-19,114.18-11,325.05

Finding the Fourth Proportional to 13,850.02, 19,114.18 and 11,325.05

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Solution

The fourth proportional to 13,850.02, 19,114.18 and 11,325.05 is: 15,629.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.02 : 19,114.18 = 11,325.05 : x
  2. Step 2: Convert to fraction form
    13,850.02/19,114.18 = 11,325.05/x
  3. Step 3: Cross multiply
    13,850.02x = 19,114.18 × 11,325.05
  4. Step 4: Simplify right side
    13,850.02x = 216,468,992.00
  5. Step 5: Solve for x
    x = 216,468,992.00/13,850.02
  6. Step 6: Final answer
    x = 15,629.51

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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.