Home / 13,074.77-19,611.98-3,214.14

Finding the Fourth Proportional to 13,074.77, 19,611.98 and 3,214.14

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Solution

The fourth proportional to 13,074.77, 19,611.98 and 3,214.14 is: 4,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.77 : 19,611.98 = 3,214.14 : x
  2. Step 2: Convert to fraction form
    13,074.77/19,611.98 = 3,214.14/x
  3. Step 3: Cross multiply
    13,074.77x = 19,611.98 × 3,214.14
  4. Step 4: Simplify right side
    13,074.77x = 63,035,535.27
  5. Step 5: Solve for x
    x = 63,035,535.27/13,074.77
  6. Step 6: Final answer
    x = 4,821.16

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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.