Home / 14,731.50-20,329.29-8,763.06

Finding the Fourth Proportional to 14,731.50, 20,329.29 and 8,763.06

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Solution

The fourth proportional to 14,731.50, 20,329.29 and 8,763.06 is: 12,092.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.50 : 20,329.29 = 8,763.06 : x
  2. Step 2: Convert to fraction form
    14,731.50/20,329.29 = 8,763.06/x
  3. Step 3: Cross multiply
    14,731.50x = 20,329.29 × 8,763.06
  4. Step 4: Simplify right side
    14,731.50x = 178,146,788.03
  5. Step 5: Solve for x
    x = 178,146,788.03/14,731.50
  6. Step 6: Final answer
    x = 12,092.92

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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.