Home / 16,929.81-25,397.55-6,936.84

Finding the Fourth Proportional to 16,929.81, 25,397.55 and 6,936.84

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Solution

The fourth proportional to 16,929.81, 25,397.55 and 6,936.84 is: 10,406.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.81 : 25,397.55 = 6,936.84 : x
  2. Step 2: Convert to fraction form
    16,929.81/25,397.55 = 6,936.84/x
  3. Step 3: Cross multiply
    16,929.81x = 25,397.55 × 6,936.84
  4. Step 4: Simplify right side
    16,929.81x = 176,178,740.74
  5. Step 5: Solve for x
    x = 176,178,740.74/16,929.81
  6. Step 6: Final answer
    x = 10,406.42

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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.