Home / 19,922.85-27,492.51-10,968.65

Finding the Fourth Proportional to 19,922.85, 27,492.51 and 10,968.65

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Solution

The fourth proportional to 19,922.85, 27,492.51 and 10,968.65 is: 15,136.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.85 : 27,492.51 = 10,968.65 : x
  2. Step 2: Convert to fraction form
    19,922.85/27,492.51 = 10,968.65/x
  3. Step 3: Cross multiply
    19,922.85x = 27,492.51 × 10,968.65
  4. Step 4: Simplify right side
    19,922.85x = 301,555,582.35
  5. Step 5: Solve for x
    x = 301,555,582.35/19,922.85
  6. Step 6: Final answer
    x = 15,136.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.