Home / 26,638.36-39,966.96-11,845.96

Finding the Fourth Proportional to 26,638.36, 39,966.96 and 11,845.96

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Solution

The fourth proportional to 26,638.36, 39,966.96 and 11,845.96 is: 17,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.36 : 39,966.96 = 11,845.96 : x
  2. Step 2: Convert to fraction form
    26,638.36/39,966.96 = 11,845.96/x
  3. Step 3: Cross multiply
    26,638.36x = 39,966.96 × 11,845.96
  4. Step 4: Simplify right side
    26,638.36x = 473,447,009.48
  5. Step 5: Solve for x
    x = 473,447,009.48/26,638.36
  6. Step 6: Final answer
    x = 17,773.13

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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.