Home / 26,638.76-36,765.66-15,884.12

Finding the Fourth Proportional to 26,638.76, 36,765.66 and 15,884.12

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Solution

The fourth proportional to 26,638.76, 36,765.66 and 15,884.12 is: 21,922.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.76 : 36,765.66 = 15,884.12 : x
  2. Step 2: Convert to fraction form
    26,638.76/36,765.66 = 15,884.12/x
  3. Step 3: Cross multiply
    26,638.76x = 36,765.66 × 15,884.12
  4. Step 4: Simplify right side
    26,638.76x = 583,990,155.32
  5. Step 5: Solve for x
    x = 583,990,155.32/26,638.76
  6. Step 6: Final answer
    x = 21,922.57

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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.