Home / 20,187.02-30,233.57-19,486.23

Finding the Fourth Proportional to 20,187.02, 30,233.57 and 19,486.23

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Solution

The fourth proportional to 20,187.02, 30,233.57 and 19,486.23 is: 29,184.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.02 : 30,233.57 = 19,486.23 : x
  2. Step 2: Convert to fraction form
    20,187.02/30,233.57 = 19,486.23/x
  3. Step 3: Cross multiply
    20,187.02x = 30,233.57 × 19,486.23
  4. Step 4: Simplify right side
    20,187.02x = 589,138,201.31
  5. Step 5: Solve for x
    x = 589,138,201.31/20,187.02
  6. Step 6: Final answer
    x = 29,184.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.