Home / 14,727.89-20,319.05-9,695.00

Finding the Fourth Proportional to 14,727.89, 20,319.05 and 9,695.00

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Solution

The fourth proportional to 14,727.89, 20,319.05 and 9,695.00 is: 13,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,727.89 : 20,319.05 = 9,695.00 : x
  2. Step 2: Convert to fraction form
    14,727.89/20,319.05 = 9,695.00/x
  3. Step 3: Cross multiply
    14,727.89x = 20,319.05 × 9,695.00
  4. Step 4: Simplify right side
    14,727.89x = 196,993,039.68
  5. Step 5: Solve for x
    x = 196,993,039.68/14,727.89
  6. Step 6: Final answer
    x = 13,375.51

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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.