Home / 13,354.86-20,027.56-4,587.72

Finding the Fourth Proportional to 13,354.86, 20,027.56 and 4,587.72

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Solution

The fourth proportional to 13,354.86, 20,027.56 and 4,587.72 is: 6,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.86 : 20,027.56 = 4,587.72 : x
  2. Step 2: Convert to fraction form
    13,354.86/20,027.56 = 4,587.72/x
  3. Step 3: Cross multiply
    13,354.86x = 20,027.56 × 4,587.72
  4. Step 4: Simplify right side
    13,354.86x = 91,880,837.56
  5. Step 5: Solve for x
    x = 91,880,837.56/13,354.86
  6. Step 6: Final answer
    x = 6,879.96

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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.