Home / 17,114.30-25,690.65-13,235.90

Finding the Fourth Proportional to 17,114.30, 25,690.65 and 13,235.90

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Solution

The fourth proportional to 17,114.30, 25,690.65 and 13,235.90 is: 19,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,114.30 : 25,690.65 = 13,235.90 : x
  2. Step 2: Convert to fraction form
    17,114.30/25,690.65 = 13,235.90/x
  3. Step 3: Cross multiply
    17,114.30x = 25,690.65 × 13,235.90
  4. Step 4: Simplify right side
    17,114.30x = 340,038,874.34
  5. Step 5: Solve for x
    x = 340,038,874.34/17,114.30
  6. Step 6: Final answer
    x = 19,868.70

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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.