Home / 26,638.10-36,774.39-19,459.95

Finding the Fourth Proportional to 26,638.10, 36,774.39 and 19,459.95

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Solution

The fourth proportional to 26,638.10, 36,774.39 and 19,459.95 is: 26,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.10 : 36,774.39 = 19,459.95 : x
  2. Step 2: Convert to fraction form
    26,638.10/36,774.39 = 19,459.95/x
  3. Step 3: Cross multiply
    26,638.10x = 36,774.39 × 19,459.95
  4. Step 4: Simplify right side
    26,638.10x = 715,627,790.68
  5. Step 5: Solve for x
    x = 715,627,790.68/26,638.10
  6. Step 6: Final answer
    x = 26,864.83

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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.