Home / 19,358.88-28,843.71-18,085.85

Finding the Fourth Proportional to 19,358.88, 28,843.71 and 18,085.85

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Solution

The fourth proportional to 19,358.88, 28,843.71 and 18,085.85 is: 26,946.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.88 : 28,843.71 = 18,085.85 : x
  2. Step 2: Convert to fraction form
    19,358.88/28,843.71 = 18,085.85/x
  3. Step 3: Cross multiply
    19,358.88x = 28,843.71 × 18,085.85
  4. Step 4: Simplify right side
    19,358.88x = 521,662,868.28
  5. Step 5: Solve for x
    x = 521,662,868.28/19,358.88
  6. Step 6: Final answer
    x = 26,946.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.