Home / 15,317.80-22,976.80-5,457.46

Finding the Fourth Proportional to 15,317.80, 22,976.80 and 5,457.46

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Solution

The fourth proportional to 15,317.80, 22,976.80 and 5,457.46 is: 8,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317.80 : 22,976.80 = 5,457.46 : x
  2. Step 2: Convert to fraction form
    15,317.80/22,976.80 = 5,457.46/x
  3. Step 3: Cross multiply
    15,317.80x = 22,976.80 × 5,457.46
  4. Step 4: Simplify right side
    15,317.80x = 125,394,966.93
  5. Step 5: Solve for x
    x = 125,394,966.93/15,317.80
  6. Step 6: Final answer
    x = 8,186.23

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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.