Home / 20,551.19-28,360.73-11,599.07

Finding the Fourth Proportional to 20,551.19, 28,360.73 and 11,599.07

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Solution

The fourth proportional to 20,551.19, 28,360.73 and 11,599.07 is: 16,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,551.19 : 28,360.73 = 11,599.07 : x
  2. Step 2: Convert to fraction form
    20,551.19/28,360.73 = 11,599.07/x
  3. Step 3: Cross multiply
    20,551.19x = 28,360.73 × 11,599.07
  4. Step 4: Simplify right side
    20,551.19x = 328,958,092.52
  5. Step 5: Solve for x
    x = 328,958,092.52/20,551.19
  6. Step 6: Final answer
    x = 16,006.77

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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.