Home / 18,268.12-25,223.82-17,977.60

Finding the Fourth Proportional to 18,268.12, 25,223.82 and 17,977.60

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Solution

The fourth proportional to 18,268.12, 25,223.82 and 17,977.60 is: 24,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.12 : 25,223.82 = 17,977.60 : x
  2. Step 2: Convert to fraction form
    18,268.12/25,223.82 = 17,977.60/x
  3. Step 3: Cross multiply
    18,268.12x = 25,223.82 × 17,977.60
  4. Step 4: Simplify right side
    18,268.12x = 453,463,746.43
  5. Step 5: Solve for x
    x = 453,463,746.43/18,268.12
  6. Step 6: Final answer
    x = 24,822.68

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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.