Home / 20,575.60-28,399.11-14,609.14

Finding the Fourth Proportional to 20,575.60, 28,399.11 and 14,609.14

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Solution

The fourth proportional to 20,575.60, 28,399.11 and 14,609.14 is: 20,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575.60 : 28,399.11 = 14,609.14 : x
  2. Step 2: Convert to fraction form
    20,575.60/28,399.11 = 14,609.14/x
  3. Step 3: Cross multiply
    20,575.60x = 28,399.11 × 14,609.14
  4. Step 4: Simplify right side
    20,575.60x = 414,886,573.87
  5. Step 5: Solve for x
    x = 414,886,573.87/20,575.60
  6. Step 6: Final answer
    x = 20,164.01

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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.