Home / 13,078.54-19,612.62-4,754.01

Finding the Fourth Proportional to 13,078.54, 19,612.62 and 4,754.01

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Solution

The fourth proportional to 13,078.54, 19,612.62 and 4,754.01 is: 7,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078.54 : 19,612.62 = 4,754.01 : x
  2. Step 2: Convert to fraction form
    13,078.54/19,612.62 = 4,754.01/x
  3. Step 3: Cross multiply
    13,078.54x = 19,612.62 × 4,754.01
  4. Step 4: Simplify right side
    13,078.54x = 93,238,591.61
  5. Step 5: Solve for x
    x = 93,238,591.61/13,078.54
  6. Step 6: Final answer
    x = 7,129.13

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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.