Home / 19,939.09-27,527.40-13,233.81

Finding the Fourth Proportional to 19,939.09, 27,527.40 and 13,233.81

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Solution

The fourth proportional to 19,939.09, 27,527.40 and 13,233.81 is: 18,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.09 : 27,527.40 = 13,233.81 : x
  2. Step 2: Convert to fraction form
    19,939.09/27,527.40 = 13,233.81/x
  3. Step 3: Cross multiply
    19,939.09x = 27,527.40 × 13,233.81
  4. Step 4: Simplify right side
    19,939.09x = 364,292,381.39
  5. Step 5: Solve for x
    x = 364,292,381.39/19,939.09
  6. Step 6: Final answer
    x = 18,270.26

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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.