Home / 13,776.92-20,664.84-5,876.18

Finding the Fourth Proportional to 13,776.92, 20,664.84 and 5,876.18

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Solution

The fourth proportional to 13,776.92, 20,664.84 and 5,876.18 is: 8,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776.92 : 20,664.84 = 5,876.18 : x
  2. Step 2: Convert to fraction form
    13,776.92/20,664.84 = 5,876.18/x
  3. Step 3: Cross multiply
    13,776.92x = 20,664.84 × 5,876.18
  4. Step 4: Simplify right side
    13,776.92x = 121,430,319.51
  5. Step 5: Solve for x
    x = 121,430,319.51/13,776.92
  6. Step 6: Final answer
    x = 8,814.04

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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.