Home / 13,908.23-20,826.17-11,681.94

Finding the Fourth Proportional to 13,908.23, 20,826.17 and 11,681.94

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Solution

The fourth proportional to 13,908.23, 20,826.17 and 11,681.94 is: 17,492.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.23 : 20,826.17 = 11,681.94 : x
  2. Step 2: Convert to fraction form
    13,908.23/20,826.17 = 11,681.94/x
  3. Step 3: Cross multiply
    13,908.23x = 20,826.17 × 11,681.94
  4. Step 4: Simplify right side
    13,908.23x = 243,290,009.96
  5. Step 5: Solve for x
    x = 243,290,009.96/13,908.23
  6. Step 6: Final answer
    x = 17,492.53

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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.