Home / 19,134.64-28,789.44-11,348.92

Finding the Fourth Proportional to 19,134.64, 28,789.44 and 11,348.92

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Solution

The fourth proportional to 19,134.64, 28,789.44 and 11,348.92 is: 17,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.64 : 28,789.44 = 11,348.92 : x
  2. Step 2: Convert to fraction form
    19,134.64/28,789.44 = 11,348.92/x
  3. Step 3: Cross multiply
    19,134.64x = 28,789.44 × 11,348.92
  4. Step 4: Simplify right side
    19,134.64x = 326,729,051.40
  5. Step 5: Solve for x
    x = 326,729,051.40/19,134.64
  6. Step 6: Final answer
    x = 17,075.27

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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.