Home / 19,915.44-27,494.67-13,210.26

Finding the Fourth Proportional to 19,915.44, 27,494.67 and 13,210.26

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Solution

The fourth proportional to 19,915.44, 27,494.67 and 13,210.26 is: 18,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.44 : 27,494.67 = 13,210.26 : x
  2. Step 2: Convert to fraction form
    19,915.44/27,494.67 = 13,210.26/x
  3. Step 3: Cross multiply
    19,915.44x = 27,494.67 × 13,210.26
  4. Step 4: Simplify right side
    19,915.44x = 363,211,739.31
  5. Step 5: Solve for x
    x = 363,211,739.31/19,915.44
  6. Step 6: Final answer
    x = 18,237.70

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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.