Home / 15,784.68-23,668.77-4,689.84

Finding the Fourth Proportional to 15,784.68, 23,668.77 and 4,689.84

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Solution

The fourth proportional to 15,784.68, 23,668.77 and 4,689.84 is: 7,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.68 : 23,668.77 = 4,689.84 : x
  2. Step 2: Convert to fraction form
    15,784.68/23,668.77 = 4,689.84/x
  3. Step 3: Cross multiply
    15,784.68x = 23,668.77 × 4,689.84
  4. Step 4: Simplify right side
    15,784.68x = 111,002,744.30
  5. Step 5: Solve for x
    x = 111,002,744.30/15,784.68
  6. Step 6: Final answer
    x = 7,032.31

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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.