Home / 15,611.06-23,405.60-5,749.05

Finding the Fourth Proportional to 15,611.06, 23,405.60 and 5,749.05

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Solution

The fourth proportional to 15,611.06, 23,405.60 and 5,749.05 is: 8,619.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.06 : 23,405.60 = 5,749.05 : x
  2. Step 2: Convert to fraction form
    15,611.06/23,405.60 = 5,749.05/x
  3. Step 3: Cross multiply
    15,611.06x = 23,405.60 × 5,749.05
  4. Step 4: Simplify right side
    15,611.06x = 134,559,935.93
  5. Step 5: Solve for x
    x = 134,559,935.93/15,611.06
  6. Step 6: Final answer
    x = 8,619.53

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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.