Home / 19,638.24-27,098.13-11,677.56

Finding the Fourth Proportional to 19,638.24, 27,098.13 and 11,677.56

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Solution

The fourth proportional to 19,638.24, 27,098.13 and 11,677.56 is: 16,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,638.24 : 27,098.13 = 11,677.56 : x
  2. Step 2: Convert to fraction form
    19,638.24/27,098.13 = 11,677.56/x
  3. Step 3: Cross multiply
    19,638.24x = 27,098.13 × 11,677.56
  4. Step 4: Simplify right side
    19,638.24x = 316,440,038.96
  5. Step 5: Solve for x
    x = 316,440,038.96/19,638.24
  6. Step 6: Final answer
    x = 16,113.46

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1.5x scale

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.