Home / 55,675.55-83,513.30-13,555.62

Finding the Fourth Proportional to 55,675.55, 83,513.30 and 13,555.62

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Solution

The fourth proportional to 55,675.55, 83,513.30 and 13,555.62 is: 20,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,675.55 : 83,513.30 = 13,555.62 : x
  2. Step 2: Convert to fraction form
    55,675.55/83,513.30 = 13,555.62/x
  3. Step 3: Cross multiply
    55,675.55x = 83,513.30 × 13,555.62
  4. Step 4: Simplify right side
    55,675.55x = 1,132,074,491.97
  5. Step 5: Solve for x
    x = 1,132,074,491.97/55,675.55
  6. Step 6: Final answer
    x = 20,333.42

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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.