Home / 13,772.19-19,040.36-10,181.48

Finding the Fourth Proportional to 13,772.19, 19,040.36 and 10,181.48

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Solution

The fourth proportional to 13,772.19, 19,040.36 and 10,181.48 is: 14,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.19 : 19,040.36 = 10,181.48 : x
  2. Step 2: Convert to fraction form
    13,772.19/19,040.36 = 10,181.48/x
  3. Step 3: Cross multiply
    13,772.19x = 19,040.36 × 10,181.48
  4. Step 4: Simplify right side
    13,772.19x = 193,859,041.23
  5. Step 5: Solve for x
    x = 193,859,041.23/13,772.19
  6. Step 6: Final answer
    x = 14,076.12

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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.