Home / 18,816.48-25,968.56-10,435.04

Finding the Fourth Proportional to 18,816.48, 25,968.56 and 10,435.04

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Solution

The fourth proportional to 18,816.48, 25,968.56 and 10,435.04 is: 14,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.48 : 25,968.56 = 10,435.04 : x
  2. Step 2: Convert to fraction form
    18,816.48/25,968.56 = 10,435.04/x
  3. Step 3: Cross multiply
    18,816.48x = 25,968.56 × 10,435.04
  4. Step 4: Simplify right side
    18,816.48x = 270,982,962.34
  5. Step 5: Solve for x
    x = 270,982,962.34/18,816.48
  6. Step 6: Final answer
    x = 14,401.36

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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.