Home / 19,605.27-29,391.37-8,503.60

Finding the Fourth Proportional to 19,605.27, 29,391.37 and 8,503.60

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Solution

The fourth proportional to 19,605.27, 29,391.37 and 8,503.60 is: 12,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.27 : 29,391.37 = 8,503.60 : x
  2. Step 2: Convert to fraction form
    19,605.27/29,391.37 = 8,503.60/x
  3. Step 3: Cross multiply
    19,605.27x = 29,391.37 × 8,503.60
  4. Step 4: Simplify right side
    19,605.27x = 249,932,453.93
  5. Step 5: Solve for x
    x = 249,932,453.93/19,605.27
  6. Step 6: Final answer
    x = 12,748.23

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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.