Home / 25,203.62-34,776.66-15,137.60

Finding the Fourth Proportional to 25,203.62, 34,776.66 and 15,137.60

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Solution

The fourth proportional to 25,203.62, 34,776.66 and 15,137.60 is: 20,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,203.62 : 34,776.66 = 15,137.60 : x
  2. Step 2: Convert to fraction form
    25,203.62/34,776.66 = 15,137.60/x
  3. Step 3: Cross multiply
    25,203.62x = 34,776.66 × 15,137.60
  4. Step 4: Simplify right side
    25,203.62x = 526,435,161.77
  5. Step 5: Solve for x
    x = 526,435,161.77/25,203.62
  6. Step 6: Final answer
    x = 20,887.28

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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.