Home / 19,938.71-27,516.66-10,986.23

Finding the Fourth Proportional to 19,938.71, 27,516.66 and 10,986.23

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Solution

The fourth proportional to 19,938.71, 27,516.66 and 10,986.23 is: 15,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.71 : 27,516.66 = 10,986.23 : x
  2. Step 2: Convert to fraction form
    19,938.71/27,516.66 = 10,986.23/x
  3. Step 3: Cross multiply
    19,938.71x = 27,516.66 × 10,986.23
  4. Step 4: Simplify right side
    19,938.71x = 302,304,444.98
  5. Step 5: Solve for x
    x = 302,304,444.98/19,938.71
  6. Step 6: Final answer
    x = 15,161.69

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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.