Home / 74,418.54-111,626.94-18,258.10

Finding the Fourth Proportional to 74,418.54, 111,626.94 and 18,258.10

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Solution

The fourth proportional to 74,418.54, 111,626.94 and 18,258.10 is: 27,386.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,418.54 : 111,626.94 = 18,258.10 : x
  2. Step 2: Convert to fraction form
    74,418.54/111,626.94 = 18,258.10/x
  3. Step 3: Cross multiply
    74,418.54x = 111,626.94 × 18,258.10
  4. Step 4: Simplify right side
    74,418.54x = 2,038,095,833.21
  5. Step 5: Solve for x
    x = 2,038,095,833.21/74,418.54
  6. Step 6: Final answer
    x = 27,386.94

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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.