Home / 26,152.84-39,175.08-12,785.59

Finding the Fourth Proportional to 26,152.84, 39,175.08 and 12,785.59

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Solution

The fourth proportional to 26,152.84, 39,175.08 and 12,785.59 is: 19,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,152.84 : 39,175.08 = 12,785.59 : x
  2. Step 2: Convert to fraction form
    26,152.84/39,175.08 = 12,785.59/x
  3. Step 3: Cross multiply
    26,152.84x = 39,175.08 × 12,785.59
  4. Step 4: Simplify right side
    26,152.84x = 500,876,511.10
  5. Step 5: Solve for x
    x = 500,876,511.10/26,152.84
  6. Step 6: Final answer
    x = 19,151.90

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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.