Home / 36,453.06-54,695.61-12,777.66

Finding the Fourth Proportional to 36,453.06, 54,695.61 and 12,777.66

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Solution

The fourth proportional to 36,453.06, 54,695.61 and 12,777.66 is: 19,172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,453.06 : 54,695.61 = 12,777.66 : x
  2. Step 2: Convert to fraction form
    36,453.06/54,695.61 = 12,777.66/x
  3. Step 3: Cross multiply
    36,453.06x = 54,695.61 × 12,777.66
  4. Step 4: Simplify right side
    36,453.06x = 698,881,908.07
  5. Step 5: Solve for x
    x = 698,881,908.07/36,453.06
  6. Step 6: Final answer
    x = 19,172.11

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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.