Home / 13,848.19-20,771.61-5,082.55

Finding the Fourth Proportional to 13,848.19, 20,771.61 and 5,082.55

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Solution

The fourth proportional to 13,848.19, 20,771.61 and 5,082.55 is: 7,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.19 : 20,771.61 = 5,082.55 : x
  2. Step 2: Convert to fraction form
    13,848.19/20,771.61 = 5,082.55/x
  3. Step 3: Cross multiply
    13,848.19x = 20,771.61 × 5,082.55
  4. Step 4: Simplify right side
    13,848.19x = 105,572,746.41
  5. Step 5: Solve for x
    x = 105,572,746.41/13,848.19
  6. Step 6: Final answer
    x = 7,623.58

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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.