Home / 13,973.76-20,962.56-4,740.48

Finding the Fourth Proportional to 13,973.76, 20,962.56 and 4,740.48

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Solution

The fourth proportional to 13,973.76, 20,962.56 and 4,740.48 is: 7,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.76 : 20,962.56 = 4,740.48 : x
  2. Step 2: Convert to fraction form
    13,973.76/20,962.56 = 4,740.48/x
  3. Step 3: Cross multiply
    13,973.76x = 20,962.56 × 4,740.48
  4. Step 4: Simplify right side
    13,973.76x = 99,372,596.43
  5. Step 5: Solve for x
    x = 99,372,596.43/13,973.76
  6. Step 6: Final answer
    x = 7,111.37

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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.