Home / 14,731.52-20,328.76-8,763.08

Finding the Fourth Proportional to 14,731.52, 20,328.76 and 8,763.08

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Solution

The fourth proportional to 14,731.52, 20,328.76 and 8,763.08 is: 12,092.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.52 : 20,328.76 = 8,763.08 : x
  2. Step 2: Convert to fraction form
    14,731.52/20,328.76 = 8,763.08/x
  3. Step 3: Cross multiply
    14,731.52x = 20,328.76 × 8,763.08
  4. Step 4: Simplify right side
    14,731.52x = 178,142,550.18
  5. Step 5: Solve for x
    x = 178,142,550.18/14,731.52
  6. Step 6: Final answer
    x = 12,092.61

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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.