Home / 15,430.24-23,182.31-9,894.43

Finding the Fourth Proportional to 15,430.24, 23,182.31 and 9,894.43

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Solution

The fourth proportional to 15,430.24, 23,182.31 and 9,894.43 is: 14,865.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.24 : 23,182.31 = 9,894.43 : x
  2. Step 2: Convert to fraction form
    15,430.24/23,182.31 = 9,894.43/x
  3. Step 3: Cross multiply
    15,430.24x = 23,182.31 × 9,894.43
  4. Step 4: Simplify right side
    15,430.24x = 229,375,743.53
  5. Step 5: Solve for x
    x = 229,375,743.53/15,430.24
  6. Step 6: Final answer
    x = 14,865.34

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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.