Home / 19,098.59-28,606.35-11,680.61

Finding the Fourth Proportional to 19,098.59, 28,606.35 and 11,680.61

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Solution

The fourth proportional to 19,098.59, 28,606.35 and 11,680.61 is: 17,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.59 : 28,606.35 = 11,680.61 : x
  2. Step 2: Convert to fraction form
    19,098.59/28,606.35 = 11,680.61/x
  3. Step 3: Cross multiply
    19,098.59x = 28,606.35 × 11,680.61
  4. Step 4: Simplify right side
    19,098.59x = 334,139,474.84
  5. Step 5: Solve for x
    x = 334,139,474.84/19,098.59
  6. Step 6: Final answer
    x = 17,495.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.