Home / 19,229.26-26,559.94-13,915.66

Finding the Fourth Proportional to 19,229.26, 26,559.94 and 13,915.66

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Solution

The fourth proportional to 19,229.26, 26,559.94 and 13,915.66 is: 19,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.26 : 26,559.94 = 13,915.66 : x
  2. Step 2: Convert to fraction form
    19,229.26/26,559.94 = 13,915.66/x
  3. Step 3: Cross multiply
    19,229.26x = 26,559.94 × 13,915.66
  4. Step 4: Simplify right side
    19,229.26x = 369,599,094.66
  5. Step 5: Solve for x
    x = 369,599,094.66/19,229.26
  6. Step 6: Final answer
    x = 19,220.66

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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.