Home / 25,479.46-38,214.00-9,678.96

Finding the Fourth Proportional to 25,479.46, 38,214.00 and 9,678.96

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Solution

The fourth proportional to 25,479.46, 38,214.00 and 9,678.96 is: 14,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479.46 : 38,214.00 = 9,678.96 : x
  2. Step 2: Convert to fraction form
    25,479.46/38,214.00 = 9,678.96/x
  3. Step 3: Cross multiply
    25,479.46x = 38,214.00 × 9,678.96
  4. Step 4: Simplify right side
    25,479.46x = 369,871,537.98
  5. Step 5: Solve for x
    x = 369,871,537.98/25,479.46
  6. Step 6: Final answer
    x = 14,516.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.