Home / 20,701.02-28,567.41-11,269.59

Finding the Fourth Proportional to 20,701.02, 28,567.41 and 11,269.59

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Solution

The fourth proportional to 20,701.02, 28,567.41 and 11,269.59 is: 15,552.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.02 : 28,567.41 = 11,269.59 : x
  2. Step 2: Convert to fraction form
    20,701.02/28,567.41 = 11,269.59/x
  3. Step 3: Cross multiply
    20,701.02x = 28,567.41 × 11,269.59
  4. Step 4: Simplify right side
    20,701.02x = 321,942,998.06
  5. Step 5: Solve for x
    x = 321,942,998.06/20,701.02
  6. Step 6: Final answer
    x = 15,552.04

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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.