Home / 20,548.56-28,357.74-11,595.54

Finding the Fourth Proportional to 20,548.56, 28,357.74 and 11,595.54

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Solution

The fourth proportional to 20,548.56, 28,357.74 and 11,595.54 is: 16,002.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.56 : 28,357.74 = 11,595.54 : x
  2. Step 2: Convert to fraction form
    20,548.56/28,357.74 = 11,595.54/x
  3. Step 3: Cross multiply
    20,548.56x = 28,357.74 × 11,595.54
  4. Step 4: Simplify right side
    20,548.56x = 328,823,308.48
  5. Step 5: Solve for x
    x = 328,823,308.48/20,548.56
  6. Step 6: Final answer
    x = 16,002.26

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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.