Home / 13,337.53-20,009.77-7,795.60

Finding the Fourth Proportional to 13,337.53, 20,009.77 and 7,795.60

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Solution

The fourth proportional to 13,337.53, 20,009.77 and 7,795.60 is: 11,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.53 : 20,009.77 = 7,795.60 : x
  2. Step 2: Convert to fraction form
    13,337.53/20,009.77 = 7,795.60/x
  3. Step 3: Cross multiply
    13,337.53x = 20,009.77 × 7,795.60
  4. Step 4: Simplify right side
    13,337.53x = 155,988,093.50
  5. Step 5: Solve for x
    x = 155,988,093.50/13,337.53
  6. Step 6: Final answer
    x = 11,695.43

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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.