Home / 26,189.64-36,142.48-14,253.76

Finding the Fourth Proportional to 26,189.64, 36,142.48 and 14,253.76

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Solution

The fourth proportional to 26,189.64, 36,142.48 and 14,253.76 is: 19,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,189.64 : 36,142.48 = 14,253.76 : x
  2. Step 2: Convert to fraction form
    26,189.64/36,142.48 = 14,253.76/x
  3. Step 3: Cross multiply
    26,189.64x = 36,142.48 × 14,253.76
  4. Step 4: Simplify right side
    26,189.64x = 515,166,235.72
  5. Step 5: Solve for x
    x = 515,166,235.72/26,189.64
  6. Step 6: Final answer
    x = 19,670.61

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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.