Home / 19,241.60-28,838.10-9,359.60

Finding the Fourth Proportional to 19,241.60, 28,838.10 and 9,359.60

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Solution

The fourth proportional to 19,241.60, 28,838.10 and 9,359.60 is: 14,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.60 : 28,838.10 = 9,359.60 : x
  2. Step 2: Convert to fraction form
    19,241.60/28,838.10 = 9,359.60/x
  3. Step 3: Cross multiply
    19,241.60x = 28,838.10 × 9,359.60
  4. Step 4: Simplify right side
    19,241.60x = 269,913,080.76
  5. Step 5: Solve for x
    x = 269,913,080.76/19,241.60
  6. Step 6: Final answer
    x = 14,027.58

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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.