Home / 14,728.67-20,325.60-8,014.34

Finding the Fourth Proportional to 14,728.67, 20,325.60 and 8,014.34

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Solution

The fourth proportional to 14,728.67, 20,325.60 and 8,014.34 is: 11,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.67 : 20,325.60 = 8,014.34 : x
  2. Step 2: Convert to fraction form
    14,728.67/20,325.60 = 8,014.34/x
  3. Step 3: Cross multiply
    14,728.67x = 20,325.60 × 8,014.34
  4. Step 4: Simplify right side
    14,728.67x = 162,896,319.92
  5. Step 5: Solve for x
    x = 162,896,319.92/14,728.67
  6. Step 6: Final answer
    x = 11,059.81

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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.