Home / 16,718.48-23,078.84-11,702.39

Finding the Fourth Proportional to 16,718.48, 23,078.84 and 11,702.39

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Solution

The fourth proportional to 16,718.48, 23,078.84 and 11,702.39 is: 16,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.48 : 23,078.84 = 11,702.39 : x
  2. Step 2: Convert to fraction form
    16,718.48/23,078.84 = 11,702.39/x
  3. Step 3: Cross multiply
    16,718.48x = 23,078.84 × 11,702.39
  4. Step 4: Simplify right side
    16,718.48x = 270,077,673.38
  5. Step 5: Solve for x
    x = 270,077,673.38/16,718.48
  6. Step 6: Final answer
    x = 16,154.44

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1.5x scale

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.