Home / 18,448.30-25,450.95-12,076.45

Finding the Fourth Proportional to 18,448.30, 25,450.95 and 12,076.45

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Solution

The fourth proportional to 18,448.30, 25,450.95 and 12,076.45 is: 16,660.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.30 : 25,450.95 = 12,076.45 : x
  2. Step 2: Convert to fraction form
    18,448.30/25,450.95 = 12,076.45/x
  3. Step 3: Cross multiply
    18,448.30x = 25,450.95 × 12,076.45
  4. Step 4: Simplify right side
    18,448.30x = 307,357,125.13
  5. Step 5: Solve for x
    x = 307,357,125.13/18,448.30
  6. Step 6: Final answer
    x = 16,660.46

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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.