Home / 13,792.86-20,699.55-6,776.64

Finding the Fourth Proportional to 13,792.86, 20,699.55 and 6,776.64

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Solution

The fourth proportional to 13,792.86, 20,699.55 and 6,776.64 is: 10,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.86 : 20,699.55 = 6,776.64 : x
  2. Step 2: Convert to fraction form
    13,792.86/20,699.55 = 6,776.64/x
  3. Step 3: Cross multiply
    13,792.86x = 20,699.55 × 6,776.64
  4. Step 4: Simplify right side
    13,792.86x = 140,273,398.51
  5. Step 5: Solve for x
    x = 140,273,398.51/13,792.86
  6. Step 6: Final answer
    x = 10,170.00

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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.