Home / 26,100.64-39,146.46-8,570.80

Finding the Fourth Proportional to 26,100.64, 39,146.46 and 8,570.80

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Solution

The fourth proportional to 26,100.64, 39,146.46 and 8,570.80 is: 12,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,100.64 : 39,146.46 = 8,570.80 : x
  2. Step 2: Convert to fraction form
    26,100.64/39,146.46 = 8,570.80/x
  3. Step 3: Cross multiply
    26,100.64x = 39,146.46 × 8,570.80
  4. Step 4: Simplify right side
    26,100.64x = 335,516,479.37
  5. Step 5: Solve for x
    x = 335,516,479.37/26,100.64
  6. Step 6: Final answer
    x = 12,854.72

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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.