Home / 15,827.90-23,743.10-5,297.99

Finding the Fourth Proportional to 15,827.90, 23,743.10 and 5,297.99

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Solution

The fourth proportional to 15,827.90, 23,743.10 and 5,297.99 is: 7,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.90 : 23,743.10 = 5,297.99 : x
  2. Step 2: Convert to fraction form
    15,827.90/23,743.10 = 5,297.99/x
  3. Step 3: Cross multiply
    15,827.90x = 23,743.10 × 5,297.99
  4. Step 4: Simplify right side
    15,827.90x = 125,790,600.90
  5. Step 5: Solve for x
    x = 125,790,600.90/15,827.90
  6. Step 6: Final answer
    x = 7,947.40

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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.