Home / 12,335.54-18,505.13-3,569.31

Finding the Fourth Proportional to 12,335.54, 18,505.13 and 3,569.31

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Solution

The fourth proportional to 12,335.54, 18,505.13 and 3,569.31 is: 5,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.54 : 18,505.13 = 3,569.31 : x
  2. Step 2: Convert to fraction form
    12,335.54/18,505.13 = 3,569.31/x
  3. Step 3: Cross multiply
    12,335.54x = 18,505.13 × 3,569.31
  4. Step 4: Simplify right side
    12,335.54x = 66,050,527.71
  5. Step 5: Solve for x
    x = 66,050,527.71/12,335.54
  6. Step 6: Final answer
    x = 5,354.49

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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.