Home / 19,193.01-28,767.67-11,680.00

Finding the Fourth Proportional to 19,193.01, 28,767.67 and 11,680.00

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Solution

The fourth proportional to 19,193.01, 28,767.67 and 11,680.00 is: 17,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.01 : 28,767.67 = 11,680.00 : x
  2. Step 2: Convert to fraction form
    19,193.01/28,767.67 = 11,680.00/x
  3. Step 3: Cross multiply
    19,193.01x = 28,767.67 × 11,680.00
  4. Step 4: Simplify right side
    19,193.01x = 336,006,183.36
  5. Step 5: Solve for x
    x = 336,006,183.36/19,193.01
  6. Step 6: Final answer
    x = 17,506.70

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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.