Home / 18,360.36-25,337.52-9,977.04

Finding the Fourth Proportional to 18,360.36, 25,337.52 and 9,977.04

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Solution

The fourth proportional to 18,360.36, 25,337.52 and 9,977.04 is: 13,768.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.36 : 25,337.52 = 9,977.04 : x
  2. Step 2: Convert to fraction form
    18,360.36/25,337.52 = 9,977.04/x
  3. Step 3: Cross multiply
    18,360.36x = 25,337.52 × 9,977.04
  4. Step 4: Simplify right side
    18,360.36x = 252,793,450.54
  5. Step 5: Solve for x
    x = 252,793,450.54/18,360.36
  6. Step 6: Final answer
    x = 13,768.44

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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.