Home / 14,634.42-20,187.26-8,971.90

Finding the Fourth Proportional to 14,634.42, 20,187.26 and 8,971.90

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Solution

The fourth proportional to 14,634.42, 20,187.26 and 8,971.90 is: 12,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.42 : 20,187.26 = 8,971.90 : x
  2. Step 2: Convert to fraction form
    14,634.42/20,187.26 = 8,971.90/x
  3. Step 3: Cross multiply
    14,634.42x = 20,187.26 × 8,971.90
  4. Step 4: Simplify right side
    14,634.42x = 181,118,077.99
  5. Step 5: Solve for x
    x = 181,118,077.99/14,634.42
  6. Step 6: Final answer
    x = 12,376.17

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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.