Home / 18,561.04-27,792.30-14,518.12

Finding the Fourth Proportional to 18,561.04, 27,792.30 and 14,518.12

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Solution

The fourth proportional to 18,561.04, 27,792.30 and 14,518.12 is: 21,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.04 : 27,792.30 = 14,518.12 : x
  2. Step 2: Convert to fraction form
    18,561.04/27,792.30 = 14,518.12/x
  3. Step 3: Cross multiply
    18,561.04x = 27,792.30 × 14,518.12
  4. Step 4: Simplify right side
    18,561.04x = 403,491,946.48
  5. Step 5: Solve for x
    x = 403,491,946.48/18,561.04
  6. Step 6: Final answer
    x = 21,738.65

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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.