Home / 18,022.06-27,013.02-7,486.21

Finding the Fourth Proportional to 18,022.06, 27,013.02 and 7,486.21

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Solution

The fourth proportional to 18,022.06, 27,013.02 and 7,486.21 is: 11,220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.06 : 27,013.02 = 7,486.21 : x
  2. Step 2: Convert to fraction form
    18,022.06/27,013.02 = 7,486.21/x
  3. Step 3: Cross multiply
    18,022.06x = 27,013.02 × 7,486.21
  4. Step 4: Simplify right side
    18,022.06x = 202,225,140.45
  5. Step 5: Solve for x
    x = 202,225,140.45/18,022.06
  6. Step 6: Final answer
    x = 11,220.98

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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.