Home / 15,776.52-21,772.76-9,062.43

Finding the Fourth Proportional to 15,776.52, 21,772.76 and 9,062.43

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Solution

The fourth proportional to 15,776.52, 21,772.76 and 9,062.43 is: 12,506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776.52 : 21,772.76 = 9,062.43 : x
  2. Step 2: Convert to fraction form
    15,776.52/21,772.76 = 9,062.43/x
  3. Step 3: Cross multiply
    15,776.52x = 21,772.76 × 9,062.43
  4. Step 4: Simplify right side
    15,776.52x = 197,314,113.41
  5. Step 5: Solve for x
    x = 197,314,113.41/15,776.52
  6. Step 6: Final answer
    x = 12,506.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.