Home / 26,555.57-39,857.97-13,417.19

Finding the Fourth Proportional to 26,555.57, 39,857.97 and 13,417.19

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Solution

The fourth proportional to 26,555.57, 39,857.97 and 13,417.19 is: 20,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.57 : 39,857.97 = 13,417.19 : x
  2. Step 2: Convert to fraction form
    26,555.57/39,857.97 = 13,417.19/x
  3. Step 3: Cross multiply
    26,555.57x = 39,857.97 × 13,417.19
  4. Step 4: Simplify right side
    26,555.57x = 534,781,956.50
  5. Step 5: Solve for x
    x = 534,781,956.50/26,555.57
  6. Step 6: Final answer
    x = 20,138.22

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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.