Home / 19,448.74-26,829.93-12,731.41

Finding the Fourth Proportional to 19,448.74, 26,829.93 and 12,731.41

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Solution

The fourth proportional to 19,448.74, 26,829.93 and 12,731.41 is: 17,563.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,448.74 : 26,829.93 = 12,731.41 : x
  2. Step 2: Convert to fraction form
    19,448.74/26,829.93 = 12,731.41/x
  3. Step 3: Cross multiply
    19,448.74x = 26,829.93 × 12,731.41
  4. Step 4: Simplify right side
    19,448.74x = 341,582,839.10
  5. Step 5: Solve for x
    x = 341,582,839.10/19,448.74
  6. Step 6: Final answer
    x = 17,563.24

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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.