Home / 19,040.90-28,566.28-11,150.09

Finding the Fourth Proportional to 19,040.90, 28,566.28 and 11,150.09

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Solution

The fourth proportional to 19,040.90, 28,566.28 and 11,150.09 is: 16,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.90 : 28,566.28 = 11,150.09 : x
  2. Step 2: Convert to fraction form
    19,040.90/28,566.28 = 11,150.09/x
  3. Step 3: Cross multiply
    19,040.90x = 28,566.28 × 11,150.09
  4. Step 4: Simplify right side
    19,040.90x = 318,516,450.13
  5. Step 5: Solve for x
    x = 318,516,450.13/19,040.90
  6. Step 6: Final answer
    x = 16,728.01

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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.