Home / 13,641.76-20,458.60-5,848.72

Finding the Fourth Proportional to 13,641.76, 20,458.60 and 5,848.72

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Solution

The fourth proportional to 13,641.76, 20,458.60 and 5,848.72 is: 8,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641.76 : 20,458.60 = 5,848.72 : x
  2. Step 2: Convert to fraction form
    13,641.76/20,458.60 = 5,848.72/x
  3. Step 3: Cross multiply
    13,641.76x = 20,458.60 × 5,848.72
  4. Step 4: Simplify right side
    13,641.76x = 119,656,622.99
  5. Step 5: Solve for x
    x = 119,656,622.99/13,641.76
  6. Step 6: Final answer
    x = 8,771.35

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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.