Home / 25,206.63-34,787.30-13,878.33

Finding the Fourth Proportional to 25,206.63, 34,787.30 and 13,878.33

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Solution

The fourth proportional to 25,206.63, 34,787.30 and 13,878.33 is: 19,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,206.63 : 34,787.30 = 13,878.33 : x
  2. Step 2: Convert to fraction form
    25,206.63/34,787.30 = 13,878.33/x
  3. Step 3: Cross multiply
    25,206.63x = 34,787.30 × 13,878.33
  4. Step 4: Simplify right side
    25,206.63x = 482,789,629.21
  5. Step 5: Solve for x
    x = 482,789,629.21/25,206.63
  6. Step 6: Final answer
    x = 19,153.28

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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.