Home / 13,054.21-19,581.14-3,193.58

Finding the Fourth Proportional to 13,054.21, 19,581.14 and 3,193.58

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Solution

The fourth proportional to 13,054.21, 19,581.14 and 3,193.58 is: 4,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.21 : 19,581.14 = 3,193.58 : x
  2. Step 2: Convert to fraction form
    13,054.21/19,581.14 = 3,193.58/x
  3. Step 3: Cross multiply
    13,054.21x = 19,581.14 × 3,193.58
  4. Step 4: Simplify right side
    13,054.21x = 62,533,883.87
  5. Step 5: Solve for x
    x = 62,533,883.87/13,054.21
  6. Step 6: Final answer
    x = 4,790.32

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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.