Home / 19,674.67-27,161.10-13,334.75

Finding the Fourth Proportional to 19,674.67, 27,161.10 and 13,334.75

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Solution

The fourth proportional to 19,674.67, 27,161.10 and 13,334.75 is: 18,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674.67 : 27,161.10 = 13,334.75 : x
  2. Step 2: Convert to fraction form
    19,674.67/27,161.10 = 13,334.75/x
  3. Step 3: Cross multiply
    19,674.67x = 27,161.10 × 13,334.75
  4. Step 4: Simplify right side
    19,674.67x = 362,186,478.23
  5. Step 5: Solve for x
    x = 362,186,478.23/19,674.67
  6. Step 6: Final answer
    x = 18,408.77

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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.