Home / 19,516.85-26,908.85-16,291.32

Finding the Fourth Proportional to 19,516.85, 26,908.85 and 16,291.32

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Solution

The fourth proportional to 19,516.85, 26,908.85 and 16,291.32 is: 22,461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.85 : 26,908.85 = 16,291.32 : x
  2. Step 2: Convert to fraction form
    19,516.85/26,908.85 = 16,291.32/x
  3. Step 3: Cross multiply
    19,516.85x = 26,908.85 × 16,291.32
  4. Step 4: Simplify right side
    19,516.85x = 438,380,604.73
  5. Step 5: Solve for x
    x = 438,380,604.73/19,516.85
  6. Step 6: Final answer
    x = 22,461.65

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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.