Home / 15,867.76-23,802.98-4,181

Finding the Fourth Proportional to 15,867.76, 23,802.98 and 4,181

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Solution

The fourth proportional to 15,867.76, 23,802.98 and 4,181 is: 6,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,867.76 : 23,802.98 = 4,181 : x
  2. Step 2: Convert to fraction form
    15,867.76/23,802.98 = 4,181/x
  3. Step 3: Cross multiply
    15,867.76x = 23,802.98 × 4,181
  4. Step 4: Simplify right side
    15,867.76x = 99,520,259.38
  5. Step 5: Solve for x
    x = 99,520,259.38/15,867.76
  6. Step 6: Final answer
    x = 6,271.85

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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.