Home / 14,237.11-19,656.45-12,742.43

Finding the Fourth Proportional to 14,237.11, 19,656.45 and 12,742.43

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Solution

The fourth proportional to 14,237.11, 19,656.45 and 12,742.43 is: 17,592.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,237.11 : 19,656.45 = 12,742.43 : x
  2. Step 2: Convert to fraction form
    14,237.11/19,656.45 = 12,742.43/x
  3. Step 3: Cross multiply
    14,237.11x = 19,656.45 × 12,742.43
  4. Step 4: Simplify right side
    14,237.11x = 250,470,874.46
  5. Step 5: Solve for x
    x = 250,470,874.46/14,237.11
  6. Step 6: Final answer
    x = 17,592.82

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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.