Home / 16,854.84-25,281.64-5,167.76

Finding the Fourth Proportional to 16,854.84, 25,281.64 and 5,167.76

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Solution

The fourth proportional to 16,854.84, 25,281.64 and 5,167.76 is: 7,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.84 : 25,281.64 = 5,167.76 : x
  2. Step 2: Convert to fraction form
    16,854.84/25,281.64 = 5,167.76/x
  3. Step 3: Cross multiply
    16,854.84x = 25,281.64 × 5,167.76
  4. Step 4: Simplify right side
    16,854.84x = 130,649,447.93
  5. Step 5: Solve for x
    x = 130,649,447.93/16,854.84
  6. Step 6: Final answer
    x = 7,751.45

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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.