Home / 16,963.05-23,427.32-13,230.57

Finding the Fourth Proportional to 16,963.05, 23,427.32 and 13,230.57

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Solution

The fourth proportional to 16,963.05, 23,427.32 and 13,230.57 is: 18,272.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,963.05 : 23,427.32 = 13,230.57 : x
  2. Step 2: Convert to fraction form
    16,963.05/23,427.32 = 13,230.57/x
  3. Step 3: Cross multiply
    16,963.05x = 23,427.32 × 13,230.57
  4. Step 4: Simplify right side
    16,963.05x = 309,956,731.02
  5. Step 5: Solve for x
    x = 309,956,731.02/16,963.05
  6. Step 6: Final answer
    x = 18,272.46

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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.