Home / 19,119.64-26,370.48-16,757.68

Finding the Fourth Proportional to 19,119.64, 26,370.48 and 16,757.68

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Solution

The fourth proportional to 19,119.64, 26,370.48 and 16,757.68 is: 23,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.64 : 26,370.48 = 16,757.68 : x
  2. Step 2: Convert to fraction form
    19,119.64/26,370.48 = 16,757.68/x
  3. Step 3: Cross multiply
    19,119.64x = 26,370.48 × 16,757.68
  4. Step 4: Simplify right side
    19,119.64x = 441,908,065.29
  5. Step 5: Solve for x
    x = 441,908,065.29/19,119.64
  6. Step 6: Final answer
    x = 23,112.78

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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.