Home / 13,159.22-19,738.36-3,298.58

Finding the Fourth Proportional to 13,159.22, 19,738.36 and 3,298.58

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Solution

The fourth proportional to 13,159.22, 19,738.36 and 3,298.58 is: 4,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.22 : 19,738.36 = 3,298.58 : x
  2. Step 2: Convert to fraction form
    13,159.22/19,738.36 = 3,298.58/x
  3. Step 3: Cross multiply
    13,159.22x = 19,738.36 × 3,298.58
  4. Step 4: Simplify right side
    13,159.22x = 65,108,559.53
  5. Step 5: Solve for x
    x = 65,108,559.53/13,159.22
  6. Step 6: Final answer
    x = 4,947.75

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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.