Home / 18,173.49-27,245.64-10,271.13

Finding the Fourth Proportional to 18,173.49, 27,245.64 and 10,271.13

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Solution

The fourth proportional to 18,173.49, 27,245.64 and 10,271.13 is: 15,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.49 : 27,245.64 = 10,271.13 : x
  2. Step 2: Convert to fraction form
    18,173.49/27,245.64 = 10,271.13/x
  3. Step 3: Cross multiply
    18,173.49x = 27,245.64 × 10,271.13
  4. Step 4: Simplify right side
    18,173.49x = 279,843,510.37
  5. Step 5: Solve for x
    x = 279,843,510.37/18,173.49
  6. Step 6: Final answer
    x = 15,398.45

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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.