Home / 19,530.40-26,953.61-11,034.08

Finding the Fourth Proportional to 19,530.40, 26,953.61 and 11,034.08

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Solution

The fourth proportional to 19,530.40, 26,953.61 and 11,034.08 is: 15,227.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.40 : 26,953.61 = 11,034.08 : x
  2. Step 2: Convert to fraction form
    19,530.40/26,953.61 = 11,034.08/x
  3. Step 3: Cross multiply
    19,530.40x = 26,953.61 × 11,034.08
  4. Step 4: Simplify right side
    19,530.40x = 297,408,289.03
  5. Step 5: Solve for x
    x = 297,408,289.03/19,530.40
  6. Step 6: Final answer
    x = 15,227.97

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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.