Home / 14,214.67-19,619.76-9,684.85

Finding the Fourth Proportional to 14,214.67, 19,619.76 and 9,684.85

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Solution

The fourth proportional to 14,214.67, 19,619.76 and 9,684.85 is: 13,367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.67 : 19,619.76 = 9,684.85 : x
  2. Step 2: Convert to fraction form
    14,214.67/19,619.76 = 9,684.85/x
  3. Step 3: Cross multiply
    14,214.67x = 19,619.76 × 9,684.85
  4. Step 4: Simplify right side
    14,214.67x = 190,014,419.90
  5. Step 5: Solve for x
    x = 190,014,419.90/14,214.67
  6. Step 6: Final answer
    x = 13,367.49

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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.