Home / 26,581.53-39,897-13,443.33

Finding the Fourth Proportional to 26,581.53, 39,897 and 13,443.33

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Solution

The fourth proportional to 26,581.53, 39,897 and 13,443.33 is: 20,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.53 : 39,897 = 13,443.33 : x
  2. Step 2: Convert to fraction form
    26,581.53/39,897 = 13,443.33/x
  3. Step 3: Cross multiply
    26,581.53x = 39,897 × 13,443.33
  4. Step 4: Simplify right side
    26,581.53x = 536,348,537.01
  5. Step 5: Solve for x
    x = 536,348,537.01/26,581.53
  6. Step 6: Final answer
    x = 20,177.49

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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.