Home / 20,549.58-28,357.92-11,597.46

Finding the Fourth Proportional to 20,549.58, 28,357.92 and 11,597.46

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Solution

The fourth proportional to 20,549.58, 28,357.92 and 11,597.46 is: 16,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.58 : 28,357.92 = 11,597.46 : x
  2. Step 2: Convert to fraction form
    20,549.58/28,357.92 = 11,597.46/x
  3. Step 3: Cross multiply
    20,549.58x = 28,357.92 × 11,597.46
  4. Step 4: Simplify right side
    20,549.58x = 328,879,842.88
  5. Step 5: Solve for x
    x = 328,879,842.88/20,549.58
  6. Step 6: Final answer
    x = 16,004.21

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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.