Home / 15,670.89-23,506.39-3,984.11

Finding the Fourth Proportional to 15,670.89, 23,506.39 and 3,984.11

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Solution

The fourth proportional to 15,670.89, 23,506.39 and 3,984.11 is: 5,976.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.89 : 23,506.39 = 3,984.11 : x
  2. Step 2: Convert to fraction form
    15,670.89/23,506.39 = 3,984.11/x
  3. Step 3: Cross multiply
    15,670.89x = 23,506.39 × 3,984.11
  4. Step 4: Simplify right side
    15,670.89x = 93,652,043.46
  5. Step 5: Solve for x
    x = 93,652,043.46/15,670.89
  6. Step 6: Final answer
    x = 5,976.18

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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.