Home / 14,531.27-21,791.43-11,447.60

Finding the Fourth Proportional to 14,531.27, 21,791.43 and 11,447.60

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Solution

The fourth proportional to 14,531.27, 21,791.43 and 11,447.60 is: 17,167.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.27 : 21,791.43 = 11,447.60 : x
  2. Step 2: Convert to fraction form
    14,531.27/21,791.43 = 11,447.60/x
  3. Step 3: Cross multiply
    14,531.27x = 21,791.43 × 11,447.60
  4. Step 4: Simplify right side
    14,531.27x = 249,459,465.11
  5. Step 5: Solve for x
    x = 249,459,465.11/14,531.27
  6. Step 6: Final answer
    x = 17,167.09

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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.