Home / 18,325.48-25,289.22-9,942.04

Finding the Fourth Proportional to 18,325.48, 25,289.22 and 9,942.04

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Solution

The fourth proportional to 18,325.48, 25,289.22 and 9,942.04 is: 13,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.48 : 25,289.22 = 9,942.04 : x
  2. Step 2: Convert to fraction form
    18,325.48/25,289.22 = 9,942.04/x
  3. Step 3: Cross multiply
    18,325.48x = 25,289.22 × 9,942.04
  4. Step 4: Simplify right side
    18,325.48x = 251,426,436.81
  5. Step 5: Solve for x
    x = 251,426,436.81/18,325.48
  6. Step 6: Final answer
    x = 13,720.05

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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.