Home / 26,389.35-36,412.19-15,058.57

Finding the Fourth Proportional to 26,389.35, 36,412.19 and 15,058.57

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Solution

The fourth proportional to 26,389.35, 36,412.19 and 15,058.57 is: 20,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389.35 : 36,412.19 = 15,058.57 : x
  2. Step 2: Convert to fraction form
    26,389.35/36,412.19 = 15,058.57/x
  3. Step 3: Cross multiply
    26,389.35x = 36,412.19 × 15,058.57
  4. Step 4: Simplify right side
    26,389.35x = 548,315,458.58
  5. Step 5: Solve for x
    x = 548,315,458.58/26,389.35
  6. Step 6: Final answer
    x = 20,777.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.