Home / 13,337.03-20,017.60-7,102.26

Finding the Fourth Proportional to 13,337.03, 20,017.60 and 7,102.26

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Solution

The fourth proportional to 13,337.03, 20,017.60 and 7,102.26 is: 10,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.03 : 20,017.60 = 7,102.26 : x
  2. Step 2: Convert to fraction form
    13,337.03/20,017.60 = 7,102.26/x
  3. Step 3: Cross multiply
    13,337.03x = 20,017.60 × 7,102.26
  4. Step 4: Simplify right side
    13,337.03x = 142,170,182.02
  5. Step 5: Solve for x
    x = 142,170,182.02/13,337.03
  6. Step 6: Final answer
    x = 10,659.81

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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.