Home / 19,613.40-27,081.76-12,063.23

Finding the Fourth Proportional to 19,613.40, 27,081.76 and 12,063.23

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Solution

The fourth proportional to 19,613.40, 27,081.76 and 12,063.23 is: 16,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.40 : 27,081.76 = 12,063.23 : x
  2. Step 2: Convert to fraction form
    19,613.40/27,081.76 = 12,063.23/x
  3. Step 3: Cross multiply
    19,613.40x = 27,081.76 × 12,063.23
  4. Step 4: Simplify right side
    19,613.40x = 326,693,610.63
  5. Step 5: Solve for x
    x = 326,693,610.63/19,613.40
  6. Step 6: Final answer
    x = 16,656.66

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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.