Home / 19,795.88-29,701.74-11,913.32

Finding the Fourth Proportional to 19,795.88, 29,701.74 and 11,913.32

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Solution

The fourth proportional to 19,795.88, 29,701.74 and 11,913.32 is: 17,874.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.88 : 29,701.74 = 11,913.32 : x
  2. Step 2: Convert to fraction form
    19,795.88/29,701.74 = 11,913.32/x
  3. Step 3: Cross multiply
    19,795.88x = 29,701.74 × 11,913.32
  4. Step 4: Simplify right side
    19,795.88x = 353,846,333.18
  5. Step 5: Solve for x
    x = 353,846,333.18/19,795.88
  6. Step 6: Final answer
    x = 17,874.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.