Home / 13,668.98-20,506.20-4,904.58

Finding the Fourth Proportional to 13,668.98, 20,506.20 and 4,904.58

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Solution

The fourth proportional to 13,668.98, 20,506.20 and 4,904.58 is: 7,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668.98 : 20,506.20 = 4,904.58 : x
  2. Step 2: Convert to fraction form
    13,668.98/20,506.20 = 4,904.58/x
  3. Step 3: Cross multiply
    13,668.98x = 20,506.20 × 4,904.58
  4. Step 4: Simplify right side
    13,668.98x = 100,574,298.40
  5. Step 5: Solve for x
    x = 100,574,298.40/13,668.98
  6. Step 6: Final answer
    x = 7,357.85

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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.