Home / 26,335.14-36,320.83-18,779.05

Finding the Fourth Proportional to 26,335.14, 36,320.83 and 18,779.05

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Solution

The fourth proportional to 26,335.14, 36,320.83 and 18,779.05 is: 25,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,335.14 : 36,320.83 = 18,779.05 : x
  2. Step 2: Convert to fraction form
    26,335.14/36,320.83 = 18,779.05/x
  3. Step 3: Cross multiply
    26,335.14x = 36,320.83 × 18,779.05
  4. Step 4: Simplify right side
    26,335.14x = 682,070,682.61
  5. Step 5: Solve for x
    x = 682,070,682.61/26,335.14
  6. Step 6: Final answer
    x = 25,899.64

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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.