Home / 53,442.99-80,174.21-18,374.85

Finding the Fourth Proportional to 53,442.99, 80,174.21 and 18,374.85

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Solution

The fourth proportional to 53,442.99, 80,174.21 and 18,374.85 is: 27,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,442.99 : 80,174.21 = 18,374.85 : x
  2. Step 2: Convert to fraction form
    53,442.99/80,174.21 = 18,374.85/x
  3. Step 3: Cross multiply
    53,442.99x = 80,174.21 × 18,374.85
  4. Step 4: Simplify right side
    53,442.99x = 1,473,188,990.74
  5. Step 5: Solve for x
    x = 1,473,188,990.74/53,442.99
  6. Step 6: Final answer
    x = 27,565.62

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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.