Home / 19,043.99-28,573.49-13,785.61

Finding the Fourth Proportional to 19,043.99, 28,573.49 and 13,785.61

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Solution

The fourth proportional to 19,043.99, 28,573.49 and 13,785.61 is: 20,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.99 : 28,573.49 = 13,785.61 : x
  2. Step 2: Convert to fraction form
    19,043.99/28,573.49 = 13,785.61/x
  3. Step 3: Cross multiply
    19,043.99x = 28,573.49 × 13,785.61
  4. Step 4: Simplify right side
    19,043.99x = 393,903,059.66
  5. Step 5: Solve for x
    x = 393,903,059.66/19,043.99
  6. Step 6: Final answer
    x = 20,683.86

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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.