Home / 18,275.77-25,220.82-9,892.27

Finding the Fourth Proportional to 18,275.77, 25,220.82 and 9,892.27

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Solution

The fourth proportional to 18,275.77, 25,220.82 and 9,892.27 is: 13,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.77 : 25,220.82 = 9,892.27 : x
  2. Step 2: Convert to fraction form
    18,275.77/25,220.82 = 9,892.27/x
  3. Step 3: Cross multiply
    18,275.77x = 25,220.82 × 9,892.27
  4. Step 4: Simplify right side
    18,275.77x = 249,491,161.06
  5. Step 5: Solve for x
    x = 249,491,161.06/18,275.77
  6. Step 6: Final answer
    x = 13,651.47

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Double scale
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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.