Home / 13,485.72-20,227.95-4,722.60

Finding the Fourth Proportional to 13,485.72, 20,227.95 and 4,722.60

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Solution

The fourth proportional to 13,485.72, 20,227.95 and 4,722.60 is: 7,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.72 : 20,227.95 = 4,722.60 : x
  2. Step 2: Convert to fraction form
    13,485.72/20,227.95 = 4,722.60/x
  3. Step 3: Cross multiply
    13,485.72x = 20,227.95 × 4,722.60
  4. Step 4: Simplify right side
    13,485.72x = 95,528,516.67
  5. Step 5: Solve for x
    x = 95,528,516.67/13,485.72
  6. Step 6: Final answer
    x = 7,083.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.