Home / 27,315.48-40,940.82-11,700.12

Finding the Fourth Proportional to 27,315.48, 40,940.82 and 11,700.12

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Solution

The fourth proportional to 27,315.48, 40,940.82 and 11,700.12 is: 17,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.48 : 40,940.82 = 11,700.12 : x
  2. Step 2: Convert to fraction form
    27,315.48/40,940.82 = 11,700.12/x
  3. Step 3: Cross multiply
    27,315.48x = 40,940.82 × 11,700.12
  4. Step 4: Simplify right side
    27,315.48x = 479,012,506.90
  5. Step 5: Solve for x
    x = 479,012,506.90/27,315.48
  6. Step 6: Final answer
    x = 17,536.30

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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.