Home / 18,905.34-26,094.18-11,352

Finding the Fourth Proportional to 18,905.34, 26,094.18 and 11,352

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Solution

The fourth proportional to 18,905.34, 26,094.18 and 11,352 is: 15,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,905.34 : 26,094.18 = 11,352 : x
  2. Step 2: Convert to fraction form
    18,905.34/26,094.18 = 11,352/x
  3. Step 3: Cross multiply
    18,905.34x = 26,094.18 × 11,352
  4. Step 4: Simplify right side
    18,905.34x = 296,221,131.36
  5. Step 5: Solve for x
    x = 296,221,131.36/18,905.34
  6. Step 6: Final answer
    x = 15,668.65

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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.