Home / 19,556.86-26,990.00-16,515.22

Finding the Fourth Proportional to 19,556.86, 26,990.00 and 16,515.22

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Solution

The fourth proportional to 19,556.86, 26,990.00 and 16,515.22 is: 22,792.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.86 : 26,990.00 = 16,515.22 : x
  2. Step 2: Convert to fraction form
    19,556.86/26,990.00 = 16,515.22/x
  3. Step 3: Cross multiply
    19,556.86x = 26,990.00 × 16,515.22
  4. Step 4: Simplify right side
    19,556.86x = 445,745,570.27
  5. Step 5: Solve for x
    x = 445,745,570.27/19,556.86
  6. Step 6: Final answer
    x = 22,792.29

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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.