Home / 18,772.04-25,905.46-10,388.60

Finding the Fourth Proportional to 18,772.04, 25,905.46 and 10,388.60

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Solution

The fourth proportional to 18,772.04, 25,905.46 and 10,388.60 is: 14,336.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772.04 : 25,905.46 = 10,388.60 : x
  2. Step 2: Convert to fraction form
    18,772.04/25,905.46 = 10,388.60/x
  3. Step 3: Cross multiply
    18,772.04x = 25,905.46 × 10,388.60
  4. Step 4: Simplify right side
    18,772.04x = 269,121,461.76
  5. Step 5: Solve for x
    x = 269,121,461.76/18,772.04
  6. Step 6: Final answer
    x = 14,336.29

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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.