Home / 18,455.05-27,683.93-5,307.54

Finding the Fourth Proportional to 18,455.05, 27,683.93 and 5,307.54

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Solution

The fourth proportional to 18,455.05, 27,683.93 and 5,307.54 is: 7,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.05 : 27,683.93 = 5,307.54 : x
  2. Step 2: Convert to fraction form
    18,455.05/27,683.93 = 5,307.54/x
  3. Step 3: Cross multiply
    18,455.05x = 27,683.93 × 5,307.54
  4. Step 4: Simplify right side
    18,455.05x = 146,933,565.83
  5. Step 5: Solve for x
    x = 146,933,565.83/18,455.05
  6. Step 6: Final answer
    x = 7,961.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.