Home / 26,117.70-39,182.46-8,587.68

Finding the Fourth Proportional to 26,117.70, 39,182.46 and 8,587.68

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Solution

The fourth proportional to 26,117.70, 39,182.46 and 8,587.68 is: 12,883.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,117.70 : 39,182.46 = 8,587.68 : x
  2. Step 2: Convert to fraction form
    26,117.70/39,182.46 = 8,587.68/x
  3. Step 3: Cross multiply
    26,117.70x = 39,182.46 × 8,587.68
  4. Step 4: Simplify right side
    26,117.70x = 336,486,428.09
  5. Step 5: Solve for x
    x = 336,486,428.09/26,117.70
  6. Step 6: Final answer
    x = 12,883.46

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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.