Home / 19,636.63-27,099.12-10,684.71

Finding the Fourth Proportional to 19,636.63, 27,099.12 and 10,684.71

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Solution

The fourth proportional to 19,636.63, 27,099.12 and 10,684.71 is: 14,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.63 : 27,099.12 = 10,684.71 : x
  2. Step 2: Convert to fraction form
    19,636.63/27,099.12 = 10,684.71/x
  3. Step 3: Cross multiply
    19,636.63x = 27,099.12 × 10,684.71
  4. Step 4: Simplify right side
    19,636.63x = 289,546,278.52
  5. Step 5: Solve for x
    x = 289,546,278.52/19,636.63
  6. Step 6: Final answer
    x = 14,745.21

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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.