Home / 27,755.16-41,646.40-12,961.93

Finding the Fourth Proportional to 27,755.16, 41,646.40 and 12,961.93

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Solution

The fourth proportional to 27,755.16, 41,646.40 and 12,961.93 is: 19,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755.16 : 41,646.40 = 12,961.93 : x
  2. Step 2: Convert to fraction form
    27,755.16/41,646.40 = 12,961.93/x
  3. Step 3: Cross multiply
    27,755.16x = 41,646.40 × 12,961.93
  4. Step 4: Simplify right side
    27,755.16x = 539,817,721.55
  5. Step 5: Solve for x
    x = 539,817,721.55/27,755.16
  6. Step 6: Final answer
    x = 19,449.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.