Home / 13,728.77-20,598.73-4,964.39

Finding the Fourth Proportional to 13,728.77, 20,598.73 and 4,964.39

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Solution

The fourth proportional to 13,728.77, 20,598.73 and 4,964.39 is: 7,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728.77 : 20,598.73 = 4,964.39 : x
  2. Step 2: Convert to fraction form
    13,728.77/20,598.73 = 4,964.39/x
  3. Step 3: Cross multiply
    13,728.77x = 20,598.73 × 4,964.39
  4. Step 4: Simplify right side
    13,728.77x = 102,260,118.99
  5. Step 5: Solve for x
    x = 102,260,118.99/13,728.77
  6. Step 6: Final answer
    x = 7,448.60

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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.