Home / 13,364.48-20,050.56-4,005.20

Finding the Fourth Proportional to 13,364.48, 20,050.56 and 4,005.20

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Solution

The fourth proportional to 13,364.48, 20,050.56 and 4,005.20 is: 6,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.48 : 20,050.56 = 4,005.20 : x
  2. Step 2: Convert to fraction form
    13,364.48/20,050.56 = 4,005.20/x
  3. Step 3: Cross multiply
    13,364.48x = 20,050.56 × 4,005.20
  4. Step 4: Simplify right side
    13,364.48x = 80,306,502.91
  5. Step 5: Solve for x
    x = 80,306,502.91/13,364.48
  6. Step 6: Final answer
    x = 6,008.95

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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.