Home / 19,995.19-29,992.78-6,144.19

Finding the Fourth Proportional to 19,995.19, 29,992.78 and 6,144.19

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Solution

The fourth proportional to 19,995.19, 29,992.78 and 6,144.19 is: 9,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.19 : 29,992.78 = 6,144.19 : x
  2. Step 2: Convert to fraction form
    19,995.19/29,992.78 = 6,144.19/x
  3. Step 3: Cross multiply
    19,995.19x = 29,992.78 × 6,144.19
  4. Step 4: Simplify right side
    19,995.19x = 184,281,271.65
  5. Step 5: Solve for x
    x = 184,281,271.65/19,995.19
  6. Step 6: Final answer
    x = 9,216.28

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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.