Home / 13,795.12-19,036.46-7,744.80

Finding the Fourth Proportional to 13,795.12, 19,036.46 and 7,744.80

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Solution

The fourth proportional to 13,795.12, 19,036.46 and 7,744.80 is: 10,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.12 : 19,036.46 = 7,744.80 : x
  2. Step 2: Convert to fraction form
    13,795.12/19,036.46 = 7,744.80/x
  3. Step 3: Cross multiply
    13,795.12x = 19,036.46 × 7,744.80
  4. Step 4: Simplify right side
    13,795.12x = 147,433,575.41
  5. Step 5: Solve for x
    x = 147,433,575.41/13,795.12
  6. Step 6: Final answer
    x = 10,687.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.