Home / 19,050.30-28,601.10-11,160.90

Finding the Fourth Proportional to 19,050.30, 28,601.10 and 11,160.90

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Solution

The fourth proportional to 19,050.30, 28,601.10 and 11,160.90 is: 16,756.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,050.30 : 28,601.10 = 11,160.90 : x
  2. Step 2: Convert to fraction form
    19,050.30/28,601.10 = 11,160.90/x
  3. Step 3: Cross multiply
    19,050.30x = 28,601.10 × 11,160.90
  4. Step 4: Simplify right side
    19,050.30x = 319,214,016.99
  5. Step 5: Solve for x
    x = 319,214,016.99/19,050.30
  6. Step 6: Final answer
    x = 16,756.38

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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.