Home / 18,301.04-25,229.58-12,993.92

Finding the Fourth Proportional to 18,301.04, 25,229.58 and 12,993.92

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Solution

The fourth proportional to 18,301.04, 25,229.58 and 12,993.92 is: 17,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.04 : 25,229.58 = 12,993.92 : x
  2. Step 2: Convert to fraction form
    18,301.04/25,229.58 = 12,993.92/x
  3. Step 3: Cross multiply
    18,301.04x = 25,229.58 × 12,993.92
  4. Step 4: Simplify right side
    18,301.04x = 327,831,144.15
  5. Step 5: Solve for x
    x = 327,831,144.15/18,301.04
  6. Step 6: Final answer
    x = 17,913.25

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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.