Home / 15,867.45-23,802.39-4,180.50

Finding the Fourth Proportional to 15,867.45, 23,802.39 and 4,180.50

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Solution

The fourth proportional to 15,867.45, 23,802.39 and 4,180.50 is: 6,271.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,867.45 : 23,802.39 = 4,180.50 : x
  2. Step 2: Convert to fraction form
    15,867.45/23,802.39 = 4,180.50/x
  3. Step 3: Cross multiply
    15,867.45x = 23,802.39 × 4,180.50
  4. Step 4: Simplify right side
    15,867.45x = 99,505,891.40
  5. Step 5: Solve for x
    x = 99,505,891.40/15,867.45
  6. Step 6: Final answer
    x = 6,271.07

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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.