Home / 20,573.96-30,837.60-9,457.68

Finding the Fourth Proportional to 20,573.96, 30,837.60 and 9,457.68

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Solution

The fourth proportional to 20,573.96, 30,837.60 and 9,457.68 is: 14,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573.96 : 30,837.60 = 9,457.68 : x
  2. Step 2: Convert to fraction form
    20,573.96/30,837.60 = 9,457.68/x
  3. Step 3: Cross multiply
    20,573.96x = 30,837.60 × 9,457.68
  4. Step 4: Simplify right side
    20,573.96x = 291,652,152.77
  5. Step 5: Solve for x
    x = 291,652,152.77/20,573.96
  6. Step 6: Final answer
    x = 14,175.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.