Home / 27,312.99-40,960.36-10,668.70

Finding the Fourth Proportional to 27,312.99, 40,960.36 and 10,668.70

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Solution

The fourth proportional to 27,312.99, 40,960.36 and 10,668.70 is: 15,999.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.99 : 40,960.36 = 10,668.70 : x
  2. Step 2: Convert to fraction form
    27,312.99/40,960.36 = 10,668.70/x
  3. Step 3: Cross multiply
    27,312.99x = 40,960.36 × 10,668.70
  4. Step 4: Simplify right side
    27,312.99x = 436,993,792.73
  5. Step 5: Solve for x
    x = 436,993,792.73/27,312.99
  6. Step 6: Final answer
    x = 15,999.49

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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.