Home / 19,645.85-27,111.85-10,693.94

Finding the Fourth Proportional to 19,645.85, 27,111.85 and 10,693.94

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Solution

The fourth proportional to 19,645.85, 27,111.85 and 10,693.94 is: 14,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.85 : 27,111.85 = 10,693.94 : x
  2. Step 2: Convert to fraction form
    19,645.85/27,111.85 = 10,693.94/x
  3. Step 3: Cross multiply
    19,645.85x = 27,111.85 × 10,693.94
  4. Step 4: Simplify right side
    19,645.85x = 289,932,361.63
  5. Step 5: Solve for x
    x = 289,932,361.63/19,645.85
  6. Step 6: Final answer
    x = 14,757.94

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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.