Home / 19,662.95-29,497.16-7,180.65

Finding the Fourth Proportional to 19,662.95, 29,497.16 and 7,180.65

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Solution

The fourth proportional to 19,662.95, 29,497.16 and 7,180.65 is: 10,771.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.95 : 29,497.16 = 7,180.65 : x
  2. Step 2: Convert to fraction form
    19,662.95/29,497.16 = 7,180.65/x
  3. Step 3: Cross multiply
    19,662.95x = 29,497.16 × 7,180.65
  4. Step 4: Simplify right side
    19,662.95x = 211,808,799.91
  5. Step 5: Solve for x
    x = 211,808,799.91/19,662.95
  6. Step 6: Final answer
    x = 10,771.97

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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.