Home / 19,849.14-27,386.70-11,885.70

Finding the Fourth Proportional to 19,849.14, 27,386.70 and 11,885.70

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Solution

The fourth proportional to 19,849.14, 27,386.70 and 11,885.70 is: 16,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,849.14 : 27,386.70 = 11,885.70 : x
  2. Step 2: Convert to fraction form
    19,849.14/27,386.70 = 11,885.70/x
  3. Step 3: Cross multiply
    19,849.14x = 27,386.70 × 11,885.70
  4. Step 4: Simplify right side
    19,849.14x = 325,510,100.19
  5. Step 5: Solve for x
    x = 325,510,100.19/19,849.14
  6. Step 6: Final answer
    x = 16,399.20

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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.