Home / 13,501.55-20,149.22-12,025.33

Finding the Fourth Proportional to 13,501.55, 20,149.22 and 12,025.33

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Solution

The fourth proportional to 13,501.55, 20,149.22 and 12,025.33 is: 17,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.55 : 20,149.22 = 12,025.33 : x
  2. Step 2: Convert to fraction form
    13,501.55/20,149.22 = 12,025.33/x
  3. Step 3: Cross multiply
    13,501.55x = 20,149.22 × 12,025.33
  4. Step 4: Simplify right side
    13,501.55x = 242,300,999.43
  5. Step 5: Solve for x
    x = 242,300,999.43/13,501.55
  6. Step 6: Final answer
    x = 17,946.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.