Home / 15,890.96-23,797.40-13,100.56

Finding the Fourth Proportional to 15,890.96, 23,797.40 and 13,100.56

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Solution

The fourth proportional to 15,890.96, 23,797.40 and 13,100.56 is: 19,618.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890.96 : 23,797.40 = 13,100.56 : x
  2. Step 2: Convert to fraction form
    15,890.96/23,797.40 = 13,100.56/x
  3. Step 3: Cross multiply
    15,890.96x = 23,797.40 × 13,100.56
  4. Step 4: Simplify right side
    15,890.96x = 311,759,266.54
  5. Step 5: Solve for x
    x = 311,759,266.54/15,890.96
  6. Step 6: Final answer
    x = 19,618.66

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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.