Home / 37,112.90-55,655.52-14,918.79

Finding the Fourth Proportional to 37,112.90, 55,655.52 and 14,918.79

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Solution

The fourth proportional to 37,112.90, 55,655.52 and 14,918.79 is: 22,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,112.90 : 55,655.52 = 14,918.79 : x
  2. Step 2: Convert to fraction form
    37,112.90/55,655.52 = 14,918.79/x
  3. Step 3: Cross multiply
    37,112.90x = 55,655.52 × 14,918.79
  4. Step 4: Simplify right side
    37,112.90x = 830,313,015.22
  5. Step 5: Solve for x
    x = 830,313,015.22/37,112.90
  6. Step 6: Final answer
    x = 22,372.63

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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.