Home / 18,807.48-25,972.88-14,822.28

Finding the Fourth Proportional to 18,807.48, 25,972.88 and 14,822.28

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Solution

The fourth proportional to 18,807.48, 25,972.88 and 14,822.28 is: 20,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807.48 : 25,972.88 = 14,822.28 : x
  2. Step 2: Convert to fraction form
    18,807.48/25,972.88 = 14,822.28/x
  3. Step 3: Cross multiply
    18,807.48x = 25,972.88 × 14,822.28
  4. Step 4: Simplify right side
    18,807.48x = 384,977,299.77
  5. Step 5: Solve for x
    x = 384,977,299.77/18,807.48
  6. Step 6: Final answer
    x = 20,469.37

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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.