Home / 13,842.12-19,102.11-7,554.49

Finding the Fourth Proportional to 13,842.12, 19,102.11 and 7,554.49

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Solution

The fourth proportional to 13,842.12, 19,102.11 and 7,554.49 is: 10,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842.12 : 19,102.11 = 7,554.49 : x
  2. Step 2: Convert to fraction form
    13,842.12/19,102.11 = 7,554.49/x
  3. Step 3: Cross multiply
    13,842.12x = 19,102.11 × 7,554.49
  4. Step 4: Simplify right side
    13,842.12x = 144,306,698.97
  5. Step 5: Solve for x
    x = 144,306,698.97/13,842.12
  6. Step 6: Final answer
    x = 10,425.19

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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.