Home / 15,976.45-23,973.63-9,320.68

Finding the Fourth Proportional to 15,976.45, 23,973.63 and 9,320.68

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Solution

The fourth proportional to 15,976.45, 23,973.63 and 9,320.68 is: 13,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.45 : 23,973.63 = 9,320.68 : x
  2. Step 2: Convert to fraction form
    15,976.45/23,973.63 = 9,320.68/x
  3. Step 3: Cross multiply
    15,976.45x = 23,973.63 × 9,320.68
  4. Step 4: Simplify right side
    15,976.45x = 223,450,533.67
  5. Step 5: Solve for x
    x = 223,450,533.67/15,976.45
  6. Step 6: Final answer
    x = 13,986.24

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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.