Home / 29,448.31-40,637.94-16,872.25

Finding the Fourth Proportional to 29,448.31, 40,637.94 and 16,872.25

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Solution

The fourth proportional to 29,448.31, 40,637.94 and 16,872.25 is: 23,283.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,448.31 : 40,637.94 = 16,872.25 : x
  2. Step 2: Convert to fraction form
    29,448.31/40,637.94 = 16,872.25/x
  3. Step 3: Cross multiply
    29,448.31x = 40,637.94 × 16,872.25
  4. Step 4: Simplify right side
    29,448.31x = 685,653,483.17
  5. Step 5: Solve for x
    x = 685,653,483.17/29,448.31
  6. Step 6: Final answer
    x = 23,283.29

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1.5x scale

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.