Home / 19,702.88-27,193.60-12,632.16

Finding the Fourth Proportional to 19,702.88, 27,193.60 and 12,632.16

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Solution

The fourth proportional to 19,702.88, 27,193.60 and 12,632.16 is: 17,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.88 : 27,193.60 = 12,632.16 : x
  2. Step 2: Convert to fraction form
    19,702.88/27,193.60 = 12,632.16/x
  3. Step 3: Cross multiply
    19,702.88x = 27,193.60 × 12,632.16
  4. Step 4: Simplify right side
    19,702.88x = 343,513,906.18
  5. Step 5: Solve for x
    x = 343,513,906.18/19,702.88
  6. Step 6: Final answer
    x = 17,434.71

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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.