Home / 19,636.98-27,096.57-13,277.40

Finding the Fourth Proportional to 19,636.98, 27,096.57 and 13,277.40

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Solution

The fourth proportional to 19,636.98, 27,096.57 and 13,277.40 is: 18,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.98 : 27,096.57 = 13,277.40 : x
  2. Step 2: Convert to fraction form
    19,636.98/27,096.57 = 13,277.40/x
  3. Step 3: Cross multiply
    19,636.98x = 27,096.57 × 13,277.40
  4. Step 4: Simplify right side
    19,636.98x = 359,771,998.52
  5. Step 5: Solve for x
    x = 359,771,998.52/19,636.98
  6. Step 6: Final answer
    x = 18,321.15

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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.