Home / 13,957.45-19,261.06-7,669.69

Finding the Fourth Proportional to 13,957.45, 19,261.06 and 7,669.69

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Solution

The fourth proportional to 13,957.45, 19,261.06 and 7,669.69 is: 10,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.45 : 19,261.06 = 7,669.69 : x
  2. Step 2: Convert to fraction form
    13,957.45/19,261.06 = 7,669.69/x
  3. Step 3: Cross multiply
    13,957.45x = 19,261.06 × 7,669.69
  4. Step 4: Simplify right side
    13,957.45x = 147,726,378.45
  5. Step 5: Solve for x
    x = 147,726,378.45/13,957.45
  6. Step 6: Final answer
    x = 10,584.05

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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.