Home / 15,787.65-23,682.64-4,542.53

Finding the Fourth Proportional to 15,787.65, 23,682.64 and 4,542.53

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Solution

The fourth proportional to 15,787.65, 23,682.64 and 4,542.53 is: 6,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.65 : 23,682.64 = 4,542.53 : x
  2. Step 2: Convert to fraction form
    15,787.65/23,682.64 = 4,542.53/x
  3. Step 3: Cross multiply
    15,787.65x = 23,682.64 × 4,542.53
  4. Step 4: Simplify right side
    15,787.65x = 107,579,150.53
  5. Step 5: Solve for x
    x = 107,579,150.53/15,787.65
  6. Step 6: Final answer
    x = 6,814.13

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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.