Home / 26,530.72-39,789.60-17,818.36

Finding the Fourth Proportional to 26,530.72, 39,789.60 and 17,818.36

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Solution

The fourth proportional to 26,530.72, 39,789.60 and 17,818.36 is: 26,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.72 : 39,789.60 = 17,818.36 : x
  2. Step 2: Convert to fraction form
    26,530.72/39,789.60 = 17,818.36/x
  3. Step 3: Cross multiply
    26,530.72x = 39,789.60 × 17,818.36
  4. Step 4: Simplify right side
    26,530.72x = 708,985,417.06
  5. Step 5: Solve for x
    x = 708,985,417.06/26,530.72
  6. Step 6: Final answer
    x = 26,723.19

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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.