Home / 20,549.03-28,357.59-11,596.50

Finding the Fourth Proportional to 20,549.03, 28,357.59 and 11,596.50

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Solution

The fourth proportional to 20,549.03, 28,357.59 and 11,596.50 is: 16,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.03 : 28,357.59 = 11,596.50 : x
  2. Step 2: Convert to fraction form
    20,549.03/28,357.59 = 11,596.50/x
  3. Step 3: Cross multiply
    20,549.03x = 28,357.59 × 11,596.50
  4. Step 4: Simplify right side
    20,549.03x = 328,848,835.92
  5. Step 5: Solve for x
    x = 328,848,835.92/20,549.03
  6. Step 6: Final answer
    x = 16,003.14

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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.