Home / 25,668.20-35,422.14-14,490.20

Finding the Fourth Proportional to 25,668.20, 35,422.14 and 14,490.20

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Solution

The fourth proportional to 25,668.20, 35,422.14 and 14,490.20 is: 19,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.20 : 35,422.14 = 14,490.20 : x
  2. Step 2: Convert to fraction form
    25,668.20/35,422.14 = 14,490.20/x
  3. Step 3: Cross multiply
    25,668.20x = 35,422.14 × 14,490.20
  4. Step 4: Simplify right side
    25,668.20x = 513,273,715.92
  5. Step 5: Solve for x
    x = 513,273,715.92/25,668.20
  6. Step 6: Final answer
    x = 19,996.49

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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.