Home / 17,907.06-26,860.59-7,518.81

Finding the Fourth Proportional to 17,907.06, 26,860.59 and 7,518.81

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Solution

The fourth proportional to 17,907.06, 26,860.59 and 7,518.81 is: 11,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.06 : 26,860.59 = 7,518.81 : x
  2. Step 2: Convert to fraction form
    17,907.06/26,860.59 = 7,518.81/x
  3. Step 3: Cross multiply
    17,907.06x = 26,860.59 × 7,518.81
  4. Step 4: Simplify right side
    17,907.06x = 201,959,672.70
  5. Step 5: Solve for x
    x = 201,959,672.70/17,907.06
  6. Step 6: Final answer
    x = 11,278.22

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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.