Home / 19,763.93-27,275.22-11,702.21

Finding the Fourth Proportional to 19,763.93, 27,275.22 and 11,702.21

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Solution

The fourth proportional to 19,763.93, 27,275.22 and 11,702.21 is: 16,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.93 : 27,275.22 = 11,702.21 : x
  2. Step 2: Convert to fraction form
    19,763.93/27,275.22 = 11,702.21/x
  3. Step 3: Cross multiply
    19,763.93x = 27,275.22 × 11,702.21
  4. Step 4: Simplify right side
    19,763.93x = 319,180,215.86
  5. Step 5: Solve for x
    x = 319,180,215.86/19,763.93
  6. Step 6: Final answer
    x = 16,149.64

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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.