Home / 21,346.26-29,458.98-12,396.57

Finding the Fourth Proportional to 21,346.26, 29,458.98 and 12,396.57

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Solution

The fourth proportional to 21,346.26, 29,458.98 and 12,396.57 is: 17,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,346.26 : 29,458.98 = 12,396.57 : x
  2. Step 2: Convert to fraction form
    21,346.26/29,458.98 = 12,396.57/x
  3. Step 3: Cross multiply
    21,346.26x = 29,458.98 × 12,396.57
  4. Step 4: Simplify right side
    21,346.26x = 365,190,307.70
  5. Step 5: Solve for x
    x = 365,190,307.70/21,346.26
  6. Step 6: Final answer
    x = 17,107.93

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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.