Home / 14,735.55-20,334.77-8,021.30

Finding the Fourth Proportional to 14,735.55, 20,334.77 and 8,021.30

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Solution

The fourth proportional to 14,735.55, 20,334.77 and 8,021.30 is: 11,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.55 : 20,334.77 = 8,021.30 : x
  2. Step 2: Convert to fraction form
    14,735.55/20,334.77 = 8,021.30/x
  3. Step 3: Cross multiply
    14,735.55x = 20,334.77 × 8,021.30
  4. Step 4: Simplify right side
    14,735.55x = 163,111,290.60
  5. Step 5: Solve for x
    x = 163,111,290.60/14,735.55
  6. Step 6: Final answer
    x = 11,069.24

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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.