Home / 19,855.31-27,313.26-16,607.66

Finding the Fourth Proportional to 19,855.31, 27,313.26 and 16,607.66

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Solution

The fourth proportional to 19,855.31, 27,313.26 and 16,607.66 is: 22,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,855.31 : 27,313.26 = 16,607.66 : x
  2. Step 2: Convert to fraction form
    19,855.31/27,313.26 = 16,607.66/x
  3. Step 3: Cross multiply
    19,855.31x = 27,313.26 × 16,607.66
  4. Step 4: Simplify right side
    19,855.31x = 453,609,335.57
  5. Step 5: Solve for x
    x = 453,609,335.57/19,855.31
  6. Step 6: Final answer
    x = 22,845.74

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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.