Home / 19,901.18-29,857.23-15,755.00

Finding the Fourth Proportional to 19,901.18, 29,857.23 and 15,755.00

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Solution

The fourth proportional to 19,901.18, 29,857.23 and 15,755.00 is: 23,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.18 : 29,857.23 = 15,755.00 : x
  2. Step 2: Convert to fraction form
    19,901.18/29,857.23 = 15,755.00/x
  3. Step 3: Cross multiply
    19,901.18x = 29,857.23 × 15,755.00
  4. Step 4: Simplify right side
    19,901.18x = 470,400,509.36
  5. Step 5: Solve for x
    x = 470,400,509.36/19,901.18
  6. Step 6: Final answer
    x = 23,636.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.