Home / 13,789.44-19,029.51-7,501.86

Finding the Fourth Proportional to 13,789.44, 19,029.51 and 7,501.86

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Solution

The fourth proportional to 13,789.44, 19,029.51 and 7,501.86 is: 10,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.44 : 19,029.51 = 7,501.86 : x
  2. Step 2: Convert to fraction form
    13,789.44/19,029.51 = 7,501.86/x
  3. Step 3: Cross multiply
    13,789.44x = 19,029.51 × 7,501.86
  4. Step 4: Simplify right side
    13,789.44x = 142,756,719.89
  5. Step 5: Solve for x
    x = 142,756,719.89/13,789.44
  6. Step 6: Final answer
    x = 10,352.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.