Home / 23,761.78-32,787.60-13,688.25

Finding the Fourth Proportional to 23,761.78, 32,787.60 and 13,688.25

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Solution

The fourth proportional to 23,761.78, 32,787.60 and 13,688.25 is: 18,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,761.78 : 32,787.60 = 13,688.25 : x
  2. Step 2: Convert to fraction form
    23,761.78/32,787.60 = 13,688.25/x
  3. Step 3: Cross multiply
    23,761.78x = 32,787.60 × 13,688.25
  4. Step 4: Simplify right side
    23,761.78x = 448,804,797.26
  5. Step 5: Solve for x
    x = 448,804,797.26/23,761.78
  6. Step 6: Final answer
    x = 18,887.68

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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.