Home / 14,052.11-19,391.67-7,678.56

Finding the Fourth Proportional to 14,052.11, 19,391.67 and 7,678.56

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Solution

The fourth proportional to 14,052.11, 19,391.67 and 7,678.56 is: 10,596.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.11 : 19,391.67 = 7,678.56 : x
  2. Step 2: Convert to fraction form
    14,052.11/19,391.67 = 7,678.56/x
  3. Step 3: Cross multiply
    14,052.11x = 19,391.67 × 7,678.56
  4. Step 4: Simplify right side
    14,052.11x = 148,900,101.60
  5. Step 5: Solve for x
    x = 148,900,101.60/14,052.11
  6. Step 6: Final answer
    x = 10,596.28

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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.