Home / 18,730.71-25,848.36-10,772.73

Finding the Fourth Proportional to 18,730.71, 25,848.36 and 10,772.73

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Solution

The fourth proportional to 18,730.71, 25,848.36 and 10,772.73 is: 14,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.71 : 25,848.36 = 10,772.73 : x
  2. Step 2: Convert to fraction form
    18,730.71/25,848.36 = 10,772.73/x
  3. Step 3: Cross multiply
    18,730.71x = 25,848.36 × 10,772.73
  4. Step 4: Simplify right side
    18,730.71x = 278,457,403.22
  5. Step 5: Solve for x
    x = 278,457,403.22/18,730.71
  6. Step 6: Final answer
    x = 14,866.36

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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.