Home / 45,157.49-67,745.65-13,566.27

Finding the Fourth Proportional to 45,157.49, 67,745.65 and 13,566.27

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Solution

The fourth proportional to 45,157.49, 67,745.65 and 13,566.27 is: 20,352.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,157.49 : 67,745.65 = 13,566.27 : x
  2. Step 2: Convert to fraction form
    45,157.49/67,745.65 = 13,566.27/x
  3. Step 3: Cross multiply
    45,157.49x = 67,745.65 × 13,566.27
  4. Step 4: Simplify right side
    45,157.49x = 919,055,779.23
  5. Step 5: Solve for x
    x = 919,055,779.23/45,157.49
  6. Step 6: Final answer
    x = 20,352.23

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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.