Home / 18,989.03-26,204.48-10,491.24

Finding the Fourth Proportional to 18,989.03, 26,204.48 and 10,491.24

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Solution

The fourth proportional to 18,989.03, 26,204.48 and 10,491.24 is: 14,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989.03 : 26,204.48 = 10,491.24 : x
  2. Step 2: Convert to fraction form
    18,989.03/26,204.48 = 10,491.24/x
  3. Step 3: Cross multiply
    18,989.03x = 26,204.48 × 10,491.24
  4. Step 4: Simplify right side
    18,989.03x = 274,917,573.91
  5. Step 5: Solve for x
    x = 274,917,573.91/18,989.03
  6. Step 6: Final answer
    x = 14,477.70

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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.