Home / 13,971.07-20,957.15-3,582.82

Finding the Fourth Proportional to 13,971.07, 20,957.15 and 3,582.82

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Solution

The fourth proportional to 13,971.07, 20,957.15 and 3,582.82 is: 5,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.07 : 20,957.15 = 3,582.82 : x
  2. Step 2: Convert to fraction form
    13,971.07/20,957.15 = 3,582.82/x
  3. Step 3: Cross multiply
    13,971.07x = 20,957.15 × 3,582.82
  4. Step 4: Simplify right side
    13,971.07x = 75,085,696.16
  5. Step 5: Solve for x
    x = 75,085,696.16/13,971.07
  6. Step 6: Final answer
    x = 5,374.37

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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.