Home / 18,528.16-27,787.76-5,376.96

Finding the Fourth Proportional to 18,528.16, 27,787.76 and 5,376.96

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Solution

The fourth proportional to 18,528.16, 27,787.76 and 5,376.96 is: 8,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.16 : 27,787.76 = 5,376.96 : x
  2. Step 2: Convert to fraction form
    18,528.16/27,787.76 = 5,376.96/x
  3. Step 3: Cross multiply
    18,528.16x = 27,787.76 × 5,376.96
  4. Step 4: Simplify right side
    18,528.16x = 149,413,674.01
  5. Step 5: Solve for x
    x = 149,413,674.01/18,528.16
  6. Step 6: Final answer
    x = 8,064.14

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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.