Home / 17,603.97-26,405.72-4,277.07

Finding the Fourth Proportional to 17,603.97, 26,405.72 and 4,277.07

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Solution

The fourth proportional to 17,603.97, 26,405.72 and 4,277.07 is: 6,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603.97 : 26,405.72 = 4,277.07 : x
  2. Step 2: Convert to fraction form
    17,603.97/26,405.72 = 4,277.07/x
  3. Step 3: Cross multiply
    17,603.97x = 26,405.72 × 4,277.07
  4. Step 4: Simplify right side
    17,603.97x = 112,939,112.84
  5. Step 5: Solve for x
    x = 112,939,112.84/17,603.97
  6. Step 6: Final answer
    x = 6,415.55

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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.