Home / 18,395.51-27,597.85-5,247.99

Finding the Fourth Proportional to 18,395.51, 27,597.85 and 5,247.99

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Solution

The fourth proportional to 18,395.51, 27,597.85 and 5,247.99 is: 7,873.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.51 : 27,597.85 = 5,247.99 : x
  2. Step 2: Convert to fraction form
    18,395.51/27,597.85 = 5,247.99/x
  3. Step 3: Cross multiply
    18,395.51x = 27,597.85 × 5,247.99
  4. Step 4: Simplify right side
    18,395.51x = 144,833,227.70
  5. Step 5: Solve for x
    x = 144,833,227.70/18,395.51
  6. Step 6: Final answer
    x = 7,873.29

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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.