Home / 19,184.99-28,760.54-7,490.03

Finding the Fourth Proportional to 19,184.99, 28,760.54 and 7,490.03

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Solution

The fourth proportional to 19,184.99, 28,760.54 and 7,490.03 is: 11,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.99 : 28,760.54 = 7,490.03 : x
  2. Step 2: Convert to fraction form
    19,184.99/28,760.54 = 7,490.03/x
  3. Step 3: Cross multiply
    19,184.99x = 28,760.54 × 7,490.03
  4. Step 4: Simplify right side
    19,184.99x = 215,417,126.16
  5. Step 5: Solve for x
    x = 215,417,126.16/19,184.99
  6. Step 6: Final answer
    x = 11,228.42

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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.