Home / 13,915.48-20,873.94-3,527.32

Finding the Fourth Proportional to 13,915.48, 20,873.94 and 3,527.32

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Solution

The fourth proportional to 13,915.48, 20,873.94 and 3,527.32 is: 5,291.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.48 : 20,873.94 = 3,527.32 : x
  2. Step 2: Convert to fraction form
    13,915.48/20,873.94 = 3,527.32/x
  3. Step 3: Cross multiply
    13,915.48x = 20,873.94 × 3,527.32
  4. Step 4: Simplify right side
    13,915.48x = 73,629,066.04
  5. Step 5: Solve for x
    x = 73,629,066.04/13,915.48
  6. Step 6: Final answer
    x = 5,291.16

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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.