Home / 14,977.51-20,668.97-8,263.22

Finding the Fourth Proportional to 14,977.51, 20,668.97 and 8,263.22

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Solution

The fourth proportional to 14,977.51, 20,668.97 and 8,263.22 is: 11,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.51 : 20,668.97 = 8,263.22 : x
  2. Step 2: Convert to fraction form
    14,977.51/20,668.97 = 8,263.22/x
  3. Step 3: Cross multiply
    14,977.51x = 20,668.97 × 8,263.22
  4. Step 4: Simplify right side
    14,977.51x = 170,792,163.60
  5. Step 5: Solve for x
    x = 170,792,163.60/14,977.51
  6. Step 6: Final answer
    x = 11,403.24

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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.