Home / 14,764.77-20,380.32-8,798.31

Finding the Fourth Proportional to 14,764.77, 20,380.32 and 8,798.31

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Solution

The fourth proportional to 14,764.77, 20,380.32 and 8,798.31 is: 12,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,764.77 : 20,380.32 = 8,798.31 : x
  2. Step 2: Convert to fraction form
    14,764.77/20,380.32 = 8,798.31/x
  3. Step 3: Cross multiply
    14,764.77x = 20,380.32 × 8,798.31
  4. Step 4: Simplify right side
    14,764.77x = 179,312,373.26
  5. Step 5: Solve for x
    x = 179,312,373.26/14,764.77
  6. Step 6: Final answer
    x = 12,144.61

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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.