Home / 14,052.15-19,391.64-7,678.46

Finding the Fourth Proportional to 14,052.15, 19,391.64 and 7,678.46

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Solution

The fourth proportional to 14,052.15, 19,391.64 and 7,678.46 is: 10,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.15 : 19,391.64 = 7,678.46 : x
  2. Step 2: Convert to fraction form
    14,052.15/19,391.64 = 7,678.46/x
  3. Step 3: Cross multiply
    14,052.15x = 19,391.64 × 7,678.46
  4. Step 4: Simplify right side
    14,052.15x = 148,897,951.76
  5. Step 5: Solve for x
    x = 148,897,951.76/14,052.15
  6. Step 6: Final answer
    x = 10,596.10

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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.