Home / 27,435.43-41,155.07-11,638.67

Finding the Fourth Proportional to 27,435.43, 41,155.07 and 11,638.67

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Solution

The fourth proportional to 27,435.43, 41,155.07 and 11,638.67 is: 17,458.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,435.43 : 41,155.07 = 11,638.67 : x
  2. Step 2: Convert to fraction form
    27,435.43/41,155.07 = 11,638.67/x
  3. Step 3: Cross multiply
    27,435.43x = 41,155.07 × 11,638.67
  4. Step 4: Simplify right side
    27,435.43x = 478,990,278.56
  5. Step 5: Solve for x
    x = 478,990,278.56/27,435.43
  6. Step 6: Final answer
    x = 17,458.82

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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.