Home / 26,070.60-39,105.16-12,558.72

Finding the Fourth Proportional to 26,070.60, 39,105.16 and 12,558.72

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Solution

The fourth proportional to 26,070.60, 39,105.16 and 12,558.72 is: 18,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,070.60 : 39,105.16 = 12,558.72 : x
  2. Step 2: Convert to fraction form
    26,070.60/39,105.16 = 12,558.72/x
  3. Step 3: Cross multiply
    26,070.60x = 39,105.16 × 12,558.72
  4. Step 4: Simplify right side
    26,070.60x = 491,110,755.00
  5. Step 5: Solve for x
    x = 491,110,755.00/26,070.60
  6. Step 6: Final answer
    x = 18,837.72

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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.