Home / 13,269.64-19,905.18-4,384.60

Finding the Fourth Proportional to 13,269.64, 19,905.18 and 4,384.60

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Solution

The fourth proportional to 13,269.64, 19,905.18 and 4,384.60 is: 6,577.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.64 : 19,905.18 = 4,384.60 : x
  2. Step 2: Convert to fraction form
    13,269.64/19,905.18 = 4,384.60/x
  3. Step 3: Cross multiply
    13,269.64x = 19,905.18 × 4,384.60
  4. Step 4: Simplify right side
    13,269.64x = 87,276,252.23
  5. Step 5: Solve for x
    x = 87,276,252.23/13,269.64
  6. Step 6: Final answer
    x = 6,577.14

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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.