Home / 15,347.79-23,033.07-11,408.22

Finding the Fourth Proportional to 15,347.79, 23,033.07 and 11,408.22

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Solution

The fourth proportional to 15,347.79, 23,033.07 and 11,408.22 is: 17,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.79 : 23,033.07 = 11,408.22 : x
  2. Step 2: Convert to fraction form
    15,347.79/23,033.07 = 11,408.22/x
  3. Step 3: Cross multiply
    15,347.79x = 23,033.07 × 11,408.22
  4. Step 4: Simplify right side
    15,347.79x = 262,766,329.84
  5. Step 5: Solve for x
    x = 262,766,329.84/15,347.79
  6. Step 6: Final answer
    x = 17,120.79

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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.