Home / 25,668.90-38,471.56-14,541.86

Finding the Fourth Proportional to 25,668.90, 38,471.56 and 14,541.86

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Solution

The fourth proportional to 25,668.90, 38,471.56 and 14,541.86 is: 21,794.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.90 : 38,471.56 = 14,541.86 : x
  2. Step 2: Convert to fraction form
    25,668.90/38,471.56 = 14,541.86/x
  3. Step 3: Cross multiply
    25,668.90x = 38,471.56 × 14,541.86
  4. Step 4: Simplify right side
    25,668.90x = 559,448,039.50
  5. Step 5: Solve for x
    x = 559,448,039.50/25,668.90
  6. Step 6: Final answer
    x = 21,794.78

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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.