Home / 13,842.28-19,102.37-7,554.66

Finding the Fourth Proportional to 13,842.28, 19,102.37 and 7,554.66

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Solution

The fourth proportional to 13,842.28, 19,102.37 and 7,554.66 is: 10,425.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842.28 : 19,102.37 = 7,554.66 : x
  2. Step 2: Convert to fraction form
    13,842.28/19,102.37 = 7,554.66/x
  3. Step 3: Cross multiply
    13,842.28x = 19,102.37 × 7,554.66
  4. Step 4: Simplify right side
    13,842.28x = 144,311,801.14
  5. Step 5: Solve for x
    x = 144,311,801.14/13,842.28
  6. Step 6: Final answer
    x = 10,425.43

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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.