Home / 26,190.81-36,143.21-14,254.14

Finding the Fourth Proportional to 26,190.81, 36,143.21 and 14,254.14

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Solution

The fourth proportional to 26,190.81, 36,143.21 and 14,254.14 is: 19,670.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.81 : 36,143.21 = 14,254.14 : x
  2. Step 2: Convert to fraction form
    26,190.81/36,143.21 = 14,254.14/x
  3. Step 3: Cross multiply
    26,190.81x = 36,143.21 × 14,254.14
  4. Step 4: Simplify right side
    26,190.81x = 515,190,546.56
  5. Step 5: Solve for x
    x = 515,190,546.56/26,190.81
  6. Step 6: Final answer
    x = 19,670.66

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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.