Home / 19,288.01-28,934.32-6,805.45

Finding the Fourth Proportional to 19,288.01, 28,934.32 and 6,805.45

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Solution

The fourth proportional to 19,288.01, 28,934.32 and 6,805.45 is: 10,208.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.01 : 28,934.32 = 6,805.45 : x
  2. Step 2: Convert to fraction form
    19,288.01/28,934.32 = 6,805.45/x
  3. Step 3: Cross multiply
    19,288.01x = 28,934.32 × 6,805.45
  4. Step 4: Simplify right side
    19,288.01x = 196,911,119.10
  5. Step 5: Solve for x
    x = 196,911,119.10/19,288.01
  6. Step 6: Final answer
    x = 10,208.99

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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.