Home / 26,186.79-36,138.54-14,250.90

Finding the Fourth Proportional to 26,186.79, 36,138.54 and 14,250.90

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Solution

The fourth proportional to 26,186.79, 36,138.54 and 14,250.90 is: 19,666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.79 : 36,138.54 = 14,250.90 : x
  2. Step 2: Convert to fraction form
    26,186.79/36,138.54 = 14,250.90/x
  3. Step 3: Cross multiply
    26,186.79x = 36,138.54 × 14,250.90
  4. Step 4: Simplify right side
    26,186.79x = 515,006,719.69
  5. Step 5: Solve for x
    x = 515,006,719.69/26,186.79
  6. Step 6: Final answer
    x = 19,666.66

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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.