Home / 15,203.88-22,695.78-13,137.16

Finding the Fourth Proportional to 15,203.88, 22,695.78 and 13,137.16

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Solution

The fourth proportional to 15,203.88, 22,695.78 and 13,137.16 is: 19,610.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,203.88 : 22,695.78 = 13,137.16 : x
  2. Step 2: Convert to fraction form
    15,203.88/22,695.78 = 13,137.16/x
  3. Step 3: Cross multiply
    15,203.88x = 22,695.78 × 13,137.16
  4. Step 4: Simplify right side
    15,203.88x = 298,158,093.18
  5. Step 5: Solve for x
    x = 298,158,093.18/15,203.88
  6. Step 6: Final answer
    x = 19,610.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.