Home / 19,241.31-28,836.45-9,880.95

Finding the Fourth Proportional to 19,241.31, 28,836.45 and 9,880.95

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Solution

The fourth proportional to 19,241.31, 28,836.45 and 9,880.95 is: 14,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.31 : 28,836.45 = 9,880.95 : x
  2. Step 2: Convert to fraction form
    19,241.31/28,836.45 = 9,880.95/x
  3. Step 3: Cross multiply
    19,241.31x = 28,836.45 × 9,880.95
  4. Step 4: Simplify right side
    19,241.31x = 284,931,520.63
  5. Step 5: Solve for x
    x = 284,931,520.63/19,241.31
  6. Step 6: Final answer
    x = 14,808.32

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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.