Home / 20,548.14-28,355.96-11,595.81

Finding the Fourth Proportional to 20,548.14, 28,355.96 and 11,595.81

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Solution

The fourth proportional to 20,548.14, 28,355.96 and 11,595.81 is: 16,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.14 : 28,355.96 = 11,595.81 : x
  2. Step 2: Convert to fraction form
    20,548.14/28,355.96 = 11,595.81/x
  3. Step 3: Cross multiply
    20,548.14x = 28,355.96 × 11,595.81
  4. Step 4: Simplify right side
    20,548.14x = 328,810,266.55
  5. Step 5: Solve for x
    x = 328,810,266.55/20,548.14
  6. Step 6: Final answer
    x = 16,001.95

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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.