Home / 26,189.88-36,154.40-16,763.91

Finding the Fourth Proportional to 26,189.88, 36,154.40 and 16,763.91

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Solution

The fourth proportional to 26,189.88, 36,154.40 and 16,763.91 is: 23,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,189.88 : 36,154.40 = 16,763.91 : x
  2. Step 2: Convert to fraction form
    26,189.88/36,154.40 = 16,763.91/x
  3. Step 3: Cross multiply
    26,189.88x = 36,154.40 × 16,763.91
  4. Step 4: Simplify right side
    26,189.88x = 606,089,023.88
  5. Step 5: Solve for x
    x = 606,089,023.88/26,189.88
  6. Step 6: Final answer
    x = 23,142.11

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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.