Home / 13,119.87-19,682.85-4,800.01

Finding the Fourth Proportional to 13,119.87, 19,682.85 and 4,800.01

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Solution

The fourth proportional to 13,119.87, 19,682.85 and 4,800.01 is: 7,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119.87 : 19,682.85 = 4,800.01 : x
  2. Step 2: Convert to fraction form
    13,119.87/19,682.85 = 4,800.01/x
  3. Step 3: Cross multiply
    13,119.87x = 19,682.85 × 4,800.01
  4. Step 4: Simplify right side
    13,119.87x = 94,477,855.53
  5. Step 5: Solve for x
    x = 94,477,855.53/13,119.87
  6. Step 6: Final answer
    x = 7,201.13

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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.