Home / 27,440.91-41,130.30-12,619.23

Finding the Fourth Proportional to 27,440.91, 41,130.30 and 12,619.23

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Solution

The fourth proportional to 27,440.91, 41,130.30 and 12,619.23 is: 18,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,440.91 : 41,130.30 = 12,619.23 : x
  2. Step 2: Convert to fraction form
    27,440.91/41,130.30 = 12,619.23/x
  3. Step 3: Cross multiply
    27,440.91x = 41,130.30 × 12,619.23
  4. Step 4: Simplify right side
    27,440.91x = 519,032,715.67
  5. Step 5: Solve for x
    x = 519,032,715.67/27,440.91
  6. Step 6: Final answer
    x = 18,914.56

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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.