Home / 23,132.21-31,905.90-14,520.89

Finding the Fourth Proportional to 23,132.21, 31,905.90 and 14,520.89

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Solution

The fourth proportional to 23,132.21, 31,905.90 and 14,520.89 is: 20,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,132.21 : 31,905.90 = 14,520.89 : x
  2. Step 2: Convert to fraction form
    23,132.21/31,905.90 = 14,520.89/x
  3. Step 3: Cross multiply
    23,132.21x = 31,905.90 × 14,520.89
  4. Step 4: Simplify right side
    23,132.21x = 463,301,904.72
  5. Step 5: Solve for x
    x = 463,301,904.72/23,132.21
  6. Step 6: Final answer
    x = 20,028.44

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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.