Home / 16,782.08-25,169.23-7,417

Finding the Fourth Proportional to 16,782.08, 25,169.23 and 7,417

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Solution

The fourth proportional to 16,782.08, 25,169.23 and 7,417 is: 11,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.08 : 25,169.23 = 7,417 : x
  2. Step 2: Convert to fraction form
    16,782.08/25,169.23 = 7,417/x
  3. Step 3: Cross multiply
    16,782.08x = 25,169.23 × 7,417
  4. Step 4: Simplify right side
    16,782.08x = 186,680,178.91
  5. Step 5: Solve for x
    x = 186,680,178.91/16,782.08
  6. Step 6: Final answer
    x = 11,123.78

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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.