Home / 14,731.23-20,325.62-8,356.41

Finding the Fourth Proportional to 14,731.23, 20,325.62 and 8,356.41

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Solution

The fourth proportional to 14,731.23, 20,325.62 and 8,356.41 is: 11,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.23 : 20,325.62 = 8,356.41 : x
  2. Step 2: Convert to fraction form
    14,731.23/20,325.62 = 8,356.41/x
  3. Step 3: Cross multiply
    14,731.23x = 20,325.62 × 8,356.41
  4. Step 4: Simplify right side
    14,731.23x = 169,849,172.44
  5. Step 5: Solve for x
    x = 169,849,172.44/14,731.23
  6. Step 6: Final answer
    x = 11,529.87

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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.