Home / 26,555.43-39,857.73-13,417.02

Finding the Fourth Proportional to 26,555.43, 39,857.73 and 13,417.02

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Solution

The fourth proportional to 26,555.43, 39,857.73 and 13,417.02 is: 20,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.43 : 39,857.73 = 13,417.02 : x
  2. Step 2: Convert to fraction form
    26,555.43/39,857.73 = 13,417.02/x
  3. Step 3: Cross multiply
    26,555.43x = 39,857.73 × 13,417.02
  4. Step 4: Simplify right side
    26,555.43x = 534,771,960.56
  5. Step 5: Solve for x
    x = 534,771,960.56/26,555.43
  6. Step 6: Final answer
    x = 20,137.95

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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.