Home / 21,623.18-29,840.51-12,063.00

Finding the Fourth Proportional to 21,623.18, 29,840.51 and 12,063.00

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Solution

The fourth proportional to 21,623.18, 29,840.51 and 12,063.00 is: 16,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.18 : 29,840.51 = 12,063.00 : x
  2. Step 2: Convert to fraction form
    21,623.18/29,840.51 = 12,063.00/x
  3. Step 3: Cross multiply
    21,623.18x = 29,840.51 × 12,063.00
  4. Step 4: Simplify right side
    21,623.18x = 359,966,046.34
  5. Step 5: Solve for x
    x = 359,966,046.34/21,623.18
  6. Step 6: Final answer
    x = 16,647.23

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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.