Home / 20,502.24-28,294.31-12,546.01

Finding the Fourth Proportional to 20,502.24, 28,294.31 and 12,546.01

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Solution

The fourth proportional to 20,502.24, 28,294.31 and 12,546.01 is: 17,314.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502.24 : 28,294.31 = 12,546.01 : x
  2. Step 2: Convert to fraction form
    20,502.24/28,294.31 = 12,546.01/x
  3. Step 3: Cross multiply
    20,502.24x = 28,294.31 × 12,546.01
  4. Step 4: Simplify right side
    20,502.24x = 354,980,696.20
  5. Step 5: Solve for x
    x = 354,980,696.20/20,502.24
  6. Step 6: Final answer
    x = 17,314.24

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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.