Home / 26,546.38-36,635.70-15,788.32

Finding the Fourth Proportional to 26,546.38, 36,635.70 and 15,788.32

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Solution

The fourth proportional to 26,546.38, 36,635.70 and 15,788.32 is: 21,788.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,546.38 : 36,635.70 = 15,788.32 : x
  2. Step 2: Convert to fraction form
    26,546.38/36,635.70 = 15,788.32/x
  3. Step 3: Cross multiply
    26,546.38x = 36,635.70 × 15,788.32
  4. Step 4: Simplify right side
    26,546.38x = 578,416,155.02
  5. Step 5: Solve for x
    x = 578,416,155.02/26,546.38
  6. Step 6: Final answer
    x = 21,788.89

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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.