Home / 17,915.23-27,016.18-17,668.99

Finding the Fourth Proportional to 17,915.23, 27,016.18 and 17,668.99

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Solution

The fourth proportional to 17,915.23, 27,016.18 and 17,668.99 is: 26,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.23 : 27,016.18 = 17,668.99 : x
  2. Step 2: Convert to fraction form
    17,915.23/27,016.18 = 17,668.99/x
  3. Step 3: Cross multiply
    17,915.23x = 27,016.18 × 17,668.99
  4. Step 4: Simplify right side
    17,915.23x = 477,348,614.26
  5. Step 5: Solve for x
    x = 477,348,614.26/17,915.23
  6. Step 6: Final answer
    x = 26,644.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.