Home / 25,121.90-34,668.45-14,511.30

Finding the Fourth Proportional to 25,121.90, 34,668.45 and 14,511.30

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Solution

The fourth proportional to 25,121.90, 34,668.45 and 14,511.30 is: 20,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.90 : 34,668.45 = 14,511.30 : x
  2. Step 2: Convert to fraction form
    25,121.90/34,668.45 = 14,511.30/x
  3. Step 3: Cross multiply
    25,121.90x = 34,668.45 × 14,511.30
  4. Step 4: Simplify right side
    25,121.90x = 503,084,278.49
  5. Step 5: Solve for x
    x = 503,084,278.49/25,121.90
  6. Step 6: Final answer
    x = 20,025.73

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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.