Home / 19,903.73-27,453.53-16,360.79

Finding the Fourth Proportional to 19,903.73, 27,453.53 and 16,360.79

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Solution

The fourth proportional to 19,903.73, 27,453.53 and 16,360.79 is: 22,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.73 : 27,453.53 = 16,360.79 : x
  2. Step 2: Convert to fraction form
    19,903.73/27,453.53 = 16,360.79/x
  3. Step 3: Cross multiply
    19,903.73x = 27,453.53 × 16,360.79
  4. Step 4: Simplify right side
    19,903.73x = 449,161,342.72
  5. Step 5: Solve for x
    x = 449,161,342.72/19,903.73
  6. Step 6: Final answer
    x = 22,566.70

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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.