Home / 14,977.66-20,669.24-8,263.48

Finding the Fourth Proportional to 14,977.66, 20,669.24 and 8,263.48

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Solution

The fourth proportional to 14,977.66, 20,669.24 and 8,263.48 is: 11,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.66 : 20,669.24 = 8,263.48 : x
  2. Step 2: Convert to fraction form
    14,977.66/20,669.24 = 8,263.48/x
  3. Step 3: Cross multiply
    14,977.66x = 20,669.24 × 8,263.48
  4. Step 4: Simplify right side
    14,977.66x = 170,799,879.47
  5. Step 5: Solve for x
    x = 170,799,879.47/14,977.66
  6. Step 6: Final answer
    x = 11,403.64

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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.