Home / 18,936.96-26,131.24-10,437.60

Finding the Fourth Proportional to 18,936.96, 26,131.24 and 10,437.60

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Solution

The fourth proportional to 18,936.96, 26,131.24 and 10,437.60 is: 14,402.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936.96 : 26,131.24 = 10,437.60 : x
  2. Step 2: Convert to fraction form
    18,936.96/26,131.24 = 10,437.60/x
  3. Step 3: Cross multiply
    18,936.96x = 26,131.24 × 10,437.60
  4. Step 4: Simplify right side
    18,936.96x = 272,747,430.62
  5. Step 5: Solve for x
    x = 272,747,430.62/18,936.96
  6. Step 6: Final answer
    x = 14,402.92

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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.