Home / 14,784.06-20,401.84-8,069.64

Finding the Fourth Proportional to 14,784.06, 20,401.84 and 8,069.64

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Solution

The fourth proportional to 14,784.06, 20,401.84 and 8,069.64 is: 11,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.06 : 20,401.84 = 8,069.64 : x
  2. Step 2: Convert to fraction form
    14,784.06/20,401.84 = 8,069.64/x
  3. Step 3: Cross multiply
    14,784.06x = 20,401.84 × 8,069.64
  4. Step 4: Simplify right side
    14,784.06x = 164,635,504.14
  5. Step 5: Solve for x
    x = 164,635,504.14/14,784.06
  6. Step 6: Final answer
    x = 11,136.01

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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.