Home / 18,237.36-27,356.04-4,386.36

Finding the Fourth Proportional to 18,237.36, 27,356.04 and 4,386.36

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Solution

The fourth proportional to 18,237.36, 27,356.04 and 4,386.36 is: 6,579.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.36 : 27,356.04 = 4,386.36 : x
  2. Step 2: Convert to fraction form
    18,237.36/27,356.04 = 4,386.36/x
  3. Step 3: Cross multiply
    18,237.36x = 27,356.04 × 4,386.36
  4. Step 4: Simplify right side
    18,237.36x = 119,993,439.61
  5. Step 5: Solve for x
    x = 119,993,439.61/18,237.36
  6. Step 6: Final answer
    x = 6,579.54

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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.