Home / 14,776.03-20,383.95-9,997.66

Finding the Fourth Proportional to 14,776.03, 20,383.95 and 9,997.66

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Solution

The fourth proportional to 14,776.03, 20,383.95 and 9,997.66 is: 13,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.03 : 20,383.95 = 9,997.66 : x
  2. Step 2: Convert to fraction form
    14,776.03/20,383.95 = 9,997.66/x
  3. Step 3: Cross multiply
    14,776.03x = 20,383.95 × 9,997.66
  4. Step 4: Simplify right side
    14,776.03x = 203,791,801.56
  5. Step 5: Solve for x
    x = 203,791,801.56/14,776.03
  6. Step 6: Final answer
    x = 13,792.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.