Home / 26,498.89-39,661.80-19,477.05

Finding the Fourth Proportional to 26,498.89, 39,661.80 and 19,477.05

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Solution

The fourth proportional to 26,498.89, 39,661.80 and 19,477.05 is: 29,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,498.89 : 39,661.80 = 19,477.05 : x
  2. Step 2: Convert to fraction form
    26,498.89/39,661.80 = 19,477.05/x
  3. Step 3: Cross multiply
    26,498.89x = 39,661.80 × 19,477.05
  4. Step 4: Simplify right side
    26,498.89x = 772,494,861.69
  5. Step 5: Solve for x
    x = 772,494,861.69/26,498.89
  6. Step 6: Final answer
    x = 29,151.97

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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.