Home / 13,281.74-19,922.61-7,362.26

Finding the Fourth Proportional to 13,281.74, 19,922.61 and 7,362.26

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Solution

The fourth proportional to 13,281.74, 19,922.61 and 7,362.26 is: 11,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.74 : 19,922.61 = 7,362.26 : x
  2. Step 2: Convert to fraction form
    13,281.74/19,922.61 = 7,362.26/x
  3. Step 3: Cross multiply
    13,281.74x = 19,922.61 × 7,362.26
  4. Step 4: Simplify right side
    13,281.74x = 146,675,335.09
  5. Step 5: Solve for x
    x = 146,675,335.09/13,281.74
  6. Step 6: Final answer
    x = 11,043.39

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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.