Home / 25,647.18-35,388.85-17,135.65

Finding the Fourth Proportional to 25,647.18, 35,388.85 and 17,135.65

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Solution

The fourth proportional to 25,647.18, 35,388.85 and 17,135.65 is: 23,644.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,647.18 : 35,388.85 = 17,135.65 : x
  2. Step 2: Convert to fraction form
    25,647.18/35,388.85 = 17,135.65/x
  3. Step 3: Cross multiply
    25,647.18x = 35,388.85 × 17,135.65
  4. Step 4: Simplify right side
    25,647.18x = 606,410,981.03
  5. Step 5: Solve for x
    x = 606,410,981.03/25,647.18
  6. Step 6: Final answer
    x = 23,644.35

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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.