Home / 19,134.47-26,405.39-10,636.37

Finding the Fourth Proportional to 19,134.47, 26,405.39 and 10,636.37

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Solution

The fourth proportional to 19,134.47, 26,405.39 and 10,636.37 is: 14,678.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.47 : 26,405.39 = 10,636.37 : x
  2. Step 2: Convert to fraction form
    19,134.47/26,405.39 = 10,636.37/x
  3. Step 3: Cross multiply
    19,134.47x = 26,405.39 × 10,636.37
  4. Step 4: Simplify right side
    19,134.47x = 280,857,498.03
  5. Step 5: Solve for x
    x = 280,857,498.03/19,134.47
  6. Step 6: Final answer
    x = 14,678.09

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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.