Home / 13,770.72-19,006.60-9,055.44

Finding the Fourth Proportional to 13,770.72, 19,006.60 and 9,055.44

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Solution

The fourth proportional to 13,770.72, 19,006.60 and 9,055.44 is: 12,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770.72 : 19,006.60 = 9,055.44 : x
  2. Step 2: Convert to fraction form
    13,770.72/19,006.60 = 9,055.44/x
  3. Step 3: Cross multiply
    13,770.72x = 19,006.60 × 9,055.44
  4. Step 4: Simplify right side
    13,770.72x = 172,113,125.90
  5. Step 5: Solve for x
    x = 172,113,125.90/13,770.72
  6. Step 6: Final answer
    x = 12,498.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.