Home / 16,293.75-22,483.94-11,515.53

Finding the Fourth Proportional to 16,293.75, 22,483.94 and 11,515.53

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Solution

The fourth proportional to 16,293.75, 22,483.94 and 11,515.53 is: 15,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,293.75 : 22,483.94 = 11,515.53 : x
  2. Step 2: Convert to fraction form
    16,293.75/22,483.94 = 11,515.53/x
  3. Step 3: Cross multiply
    16,293.75x = 22,483.94 × 11,515.53
  4. Step 4: Simplify right side
    16,293.75x = 258,914,428.01
  5. Step 5: Solve for x
    x = 258,914,428.01/16,293.75
  6. Step 6: Final answer
    x = 15,890.41

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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.