Home / 13,541.15-20,313.65-4,181.94

Finding the Fourth Proportional to 13,541.15, 20,313.65 and 4,181.94

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Solution

The fourth proportional to 13,541.15, 20,313.65 and 4,181.94 is: 6,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.15 : 20,313.65 = 4,181.94 : x
  2. Step 2: Convert to fraction form
    13,541.15/20,313.65 = 4,181.94/x
  3. Step 3: Cross multiply
    13,541.15x = 20,313.65 × 4,181.94
  4. Step 4: Simplify right side
    13,541.15x = 84,950,444.57
  5. Step 5: Solve for x
    x = 84,950,444.57/13,541.15
  6. Step 6: Final answer
    x = 6,273.51

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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.