Home / 23,057.64-31,821.36-13,628.01

Finding the Fourth Proportional to 23,057.64, 31,821.36 and 13,628.01

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Solution

The fourth proportional to 23,057.64, 31,821.36 and 13,628.01 is: 18,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,057.64 : 31,821.36 = 13,628.01 : x
  2. Step 2: Convert to fraction form
    23,057.64/31,821.36 = 13,628.01/x
  3. Step 3: Cross multiply
    23,057.64x = 31,821.36 × 13,628.01
  4. Step 4: Simplify right side
    23,057.64x = 433,661,812.29
  5. Step 5: Solve for x
    x = 433,661,812.29/23,057.64
  6. Step 6: Final answer
    x = 18,807.73

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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.