Home / 18,099.02-27,156.26-7,571.50

Finding the Fourth Proportional to 18,099.02, 27,156.26 and 7,571.50

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Solution

The fourth proportional to 18,099.02, 27,156.26 and 7,571.50 is: 11,360.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.02 : 27,156.26 = 7,571.50 : x
  2. Step 2: Convert to fraction form
    18,099.02/27,156.26 = 7,571.50/x
  3. Step 3: Cross multiply
    18,099.02x = 27,156.26 × 7,571.50
  4. Step 4: Simplify right side
    18,099.02x = 205,613,573.63
  5. Step 5: Solve for x
    x = 205,613,573.63/18,099.02
  6. Step 6: Final answer
    x = 11,360.48

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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.