Home / 19,729.26-27,232.47-13,762.98

Finding the Fourth Proportional to 19,729.26, 27,232.47 and 13,762.98

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Solution

The fourth proportional to 19,729.26, 27,232.47 and 13,762.98 is: 18,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.26 : 27,232.47 = 13,762.98 : x
  2. Step 2: Convert to fraction form
    19,729.26/27,232.47 = 13,762.98/x
  3. Step 3: Cross multiply
    19,729.26x = 27,232.47 × 13,762.98
  4. Step 4: Simplify right side
    19,729.26x = 374,799,939.96
  5. Step 5: Solve for x
    x = 374,799,939.96/19,729.26
  6. Step 6: Final answer
    x = 18,997.16

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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.