Home / 20,597.18-28,409.07-13,044.74

Finding the Fourth Proportional to 20,597.18, 28,409.07 and 13,044.74

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Solution

The fourth proportional to 20,597.18, 28,409.07 and 13,044.74 is: 17,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597.18 : 28,409.07 = 13,044.74 : x
  2. Step 2: Convert to fraction form
    20,597.18/28,409.07 = 13,044.74/x
  3. Step 3: Cross multiply
    20,597.18x = 28,409.07 × 13,044.74
  4. Step 4: Simplify right side
    20,597.18x = 370,588,789.75
  5. Step 5: Solve for x
    x = 370,588,789.75/20,597.18
  6. Step 6: Final answer
    x = 17,992.21

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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.