Home / 18,504.02-25,534.61-11,431.06

Finding the Fourth Proportional to 18,504.02, 25,534.61 and 11,431.06

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Solution

The fourth proportional to 18,504.02, 25,534.61 and 11,431.06 is: 15,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.02 : 25,534.61 = 11,431.06 : x
  2. Step 2: Convert to fraction form
    18,504.02/25,534.61 = 11,431.06/x
  3. Step 3: Cross multiply
    18,504.02x = 25,534.61 × 11,431.06
  4. Step 4: Simplify right side
    18,504.02x = 291,887,658.99
  5. Step 5: Solve for x
    x = 291,887,658.99/18,504.02
  6. Step 6: Final answer
    x = 15,774.28

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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.