Home / 19,531.81-26,933.73-16,708.54

Finding the Fourth Proportional to 19,531.81, 26,933.73 and 16,708.54

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Solution

The fourth proportional to 19,531.81, 26,933.73 and 16,708.54 is: 23,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.81 : 26,933.73 = 16,708.54 : x
  2. Step 2: Convert to fraction form
    19,531.81/26,933.73 = 16,708.54/x
  3. Step 3: Cross multiply
    19,531.81x = 26,933.73 × 16,708.54
  4. Step 4: Simplify right side
    19,531.81x = 450,023,305.05
  5. Step 5: Solve for x
    x = 450,023,305.05/19,531.81
  6. Step 6: Final answer
    x = 23,040.53

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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.