Home / 16,815.69-25,220.66-7,579.53

Finding the Fourth Proportional to 16,815.69, 25,220.66 and 7,579.53

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Solution

The fourth proportional to 16,815.69, 25,220.66 and 7,579.53 is: 11,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.69 : 25,220.66 = 7,579.53 : x
  2. Step 2: Convert to fraction form
    16,815.69/25,220.66 = 7,579.53/x
  3. Step 3: Cross multiply
    16,815.69x = 25,220.66 × 7,579.53
  4. Step 4: Simplify right side
    16,815.69x = 191,160,711.19
  5. Step 5: Solve for x
    x = 191,160,711.19/16,815.69
  6. Step 6: Final answer
    x = 11,368.00

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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.