Home / 13,345.56-20,021.76-4,462.29

Finding the Fourth Proportional to 13,345.56, 20,021.76 and 4,462.29

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Solution

The fourth proportional to 13,345.56, 20,021.76 and 4,462.29 is: 6,694.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.56 : 20,021.76 = 4,462.29 : x
  2. Step 2: Convert to fraction form
    13,345.56/20,021.76 = 4,462.29/x
  3. Step 3: Cross multiply
    13,345.56x = 20,021.76 × 4,462.29
  4. Step 4: Simplify right side
    13,345.56x = 89,342,899.43
  5. Step 5: Solve for x
    x = 89,342,899.43/13,345.56
  6. Step 6: Final answer
    x = 6,694.58

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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.