Home / 13,852.54-19,124.27-9,145.09

Finding the Fourth Proportional to 13,852.54, 19,124.27 and 9,145.09

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Solution

The fourth proportional to 13,852.54, 19,124.27 and 9,145.09 is: 12,625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.54 : 19,124.27 = 9,145.09 : x
  2. Step 2: Convert to fraction form
    13,852.54/19,124.27 = 9,145.09/x
  3. Step 3: Cross multiply
    13,852.54x = 19,124.27 × 9,145.09
  4. Step 4: Simplify right side
    13,852.54x = 174,893,170.33
  5. Step 5: Solve for x
    x = 174,893,170.33/13,852.54
  6. Step 6: Final answer
    x = 12,625.35

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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.