Home / 18,037.44-27,017.28-8,784

Finding the Fourth Proportional to 18,037.44, 27,017.28 and 8,784

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Solution

The fourth proportional to 18,037.44, 27,017.28 and 8,784 is: 13,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,037.44 : 27,017.28 = 8,784 : x
  2. Step 2: Convert to fraction form
    18,037.44/27,017.28 = 8,784/x
  3. Step 3: Cross multiply
    18,037.44x = 27,017.28 × 8,784
  4. Step 4: Simplify right side
    18,037.44x = 237,319,787.52
  5. Step 5: Solve for x
    x = 237,319,787.52/18,037.44
  6. Step 6: Final answer
    x = 13,157.07

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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.