Home / 17,388.10-26,080.79-4,907.62

Finding the Fourth Proportional to 17,388.10, 26,080.79 and 4,907.62

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Solution

The fourth proportional to 17,388.10, 26,080.79 and 4,907.62 is: 7,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388.10 : 26,080.79 = 4,907.62 : x
  2. Step 2: Convert to fraction form
    17,388.10/26,080.79 = 4,907.62/x
  3. Step 3: Cross multiply
    17,388.10x = 26,080.79 × 4,907.62
  4. Step 4: Simplify right side
    17,388.10x = 127,994,614.68
  5. Step 5: Solve for x
    x = 127,994,614.68/17,388.10
  6. Step 6: Final answer
    x = 7,361.05

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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.