Home / 16,971.48-23,399.10-12,132

Finding the Fourth Proportional to 16,971.48, 23,399.10 and 12,132

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Solution

The fourth proportional to 16,971.48, 23,399.10 and 12,132 is: 16,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.48 : 23,399.10 = 12,132 : x
  2. Step 2: Convert to fraction form
    16,971.48/23,399.10 = 12,132/x
  3. Step 3: Cross multiply
    16,971.48x = 23,399.10 × 12,132
  4. Step 4: Simplify right side
    16,971.48x = 283,877,881.20
  5. Step 5: Solve for x
    x = 283,877,881.20/16,971.48
  6. Step 6: Final answer
    x = 16,726.76

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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.