Home / 17,113.88-25,644.36-13,356.76

Finding the Fourth Proportional to 17,113.88, 25,644.36 and 13,356.76

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Solution

The fourth proportional to 17,113.88, 25,644.36 and 13,356.76 is: 20,014.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,113.88 : 25,644.36 = 13,356.76 : x
  2. Step 2: Convert to fraction form
    17,113.88/25,644.36 = 13,356.76/x
  3. Step 3: Cross multiply
    17,113.88x = 25,644.36 × 13,356.76
  4. Step 4: Simplify right side
    17,113.88x = 342,525,433.65
  5. Step 5: Solve for x
    x = 342,525,433.65/17,113.88
  6. Step 6: Final answer
    x = 20,014.48

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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.