Home / 26,589.60-36,706.77-18,135.63

Finding the Fourth Proportional to 26,589.60, 36,706.77 and 18,135.63

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Solution

The fourth proportional to 26,589.60, 36,706.77 and 18,135.63 is: 25,036.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,589.60 : 36,706.77 = 18,135.63 : x
  2. Step 2: Convert to fraction form
    26,589.60/36,706.77 = 18,135.63/x
  3. Step 3: Cross multiply
    26,589.60x = 36,706.77 × 18,135.63
  4. Step 4: Simplify right side
    26,589.60x = 665,700,399.22
  5. Step 5: Solve for x
    x = 665,700,399.22/26,589.60
  6. Step 6: Final answer
    x = 25,036.12

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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.