Home / 18,224.89-25,155.04-11,867.35

Finding the Fourth Proportional to 18,224.89, 25,155.04 and 11,867.35

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Solution

The fourth proportional to 18,224.89, 25,155.04 and 11,867.35 is: 16,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.89 : 25,155.04 = 11,867.35 : x
  2. Step 2: Convert to fraction form
    18,224.89/25,155.04 = 11,867.35/x
  3. Step 3: Cross multiply
    18,224.89x = 25,155.04 × 11,867.35
  4. Step 4: Simplify right side
    18,224.89x = 298,523,710.22
  5. Step 5: Solve for x
    x = 298,523,710.22/18,224.89
  6. Step 6: Final answer
    x = 16,380.00

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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.