Home / 25,507.17-38,272.29-13,020.75

Finding the Fourth Proportional to 25,507.17, 38,272.29 and 13,020.75

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Solution

The fourth proportional to 25,507.17, 38,272.29 and 13,020.75 is: 19,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,507.17 : 38,272.29 = 13,020.75 : x
  2. Step 2: Convert to fraction form
    25,507.17/38,272.29 = 13,020.75/x
  3. Step 3: Cross multiply
    25,507.17x = 38,272.29 × 13,020.75
  4. Step 4: Simplify right side
    25,507.17x = 498,333,920.02
  5. Step 5: Solve for x
    x = 498,333,920.02/25,507.17
  6. Step 6: Final answer
    x = 19,537.01

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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.