Home / 18,441.07-25,450.91-10,485.25

Finding the Fourth Proportional to 18,441.07, 25,450.91 and 10,485.25

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Solution

The fourth proportional to 18,441.07, 25,450.91 and 10,485.25 is: 14,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441.07 : 25,450.91 = 10,485.25 : x
  2. Step 2: Convert to fraction form
    18,441.07/25,450.91 = 10,485.25/x
  3. Step 3: Cross multiply
    18,441.07x = 25,450.91 × 10,485.25
  4. Step 4: Simplify right side
    18,441.07x = 266,859,077.34
  5. Step 5: Solve for x
    x = 266,859,077.34/18,441.07
  6. Step 6: Final answer
    x = 14,470.91

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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.