Home / 45,018.48-67,527.77-11,738.51

Finding the Fourth Proportional to 45,018.48, 67,527.77 and 11,738.51

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Solution

The fourth proportional to 45,018.48, 67,527.77 and 11,738.51 is: 17,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,018.48 : 67,527.77 = 11,738.51 : x
  2. Step 2: Convert to fraction form
    45,018.48/67,527.77 = 11,738.51/x
  3. Step 3: Cross multiply
    45,018.48x = 67,527.77 × 11,738.51
  4. Step 4: Simplify right side
    45,018.48x = 792,675,513.55
  5. Step 5: Solve for x
    x = 792,675,513.55/45,018.48
  6. Step 6: Final answer
    x = 17,607.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.