Home / 15,197.67-20,981.51-11,584.26

Finding the Fourth Proportional to 15,197.67, 20,981.51 and 11,584.26

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Solution

The fourth proportional to 15,197.67, 20,981.51 and 11,584.26 is: 15,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197.67 : 20,981.51 = 11,584.26 : x
  2. Step 2: Convert to fraction form
    15,197.67/20,981.51 = 11,584.26/x
  3. Step 3: Cross multiply
    15,197.67x = 20,981.51 × 11,584.26
  4. Step 4: Simplify right side
    15,197.67x = 243,055,209.11
  5. Step 5: Solve for x
    x = 243,055,209.11/15,197.67
  6. Step 6: Final answer
    x = 15,992.93

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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.