Home / 18,125.37-27,190.08-5,643.27

Finding the Fourth Proportional to 18,125.37, 27,190.08 and 5,643.27

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Solution

The fourth proportional to 18,125.37, 27,190.08 and 5,643.27 is: 8,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.37 : 27,190.08 = 5,643.27 : x
  2. Step 2: Convert to fraction form
    18,125.37/27,190.08 = 5,643.27/x
  3. Step 3: Cross multiply
    18,125.37x = 27,190.08 × 5,643.27
  4. Step 4: Simplify right side
    18,125.37x = 153,440,962.76
  5. Step 5: Solve for x
    x = 153,440,962.76/18,125.37
  6. Step 6: Final answer
    x = 8,465.54

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Double scale
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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.