Home / 18,570.24-25,624.63-11,859.79

Finding the Fourth Proportional to 18,570.24, 25,624.63 and 11,859.79

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Solution

The fourth proportional to 18,570.24, 25,624.63 and 11,859.79 is: 16,365.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.24 : 25,624.63 = 11,859.79 : x
  2. Step 2: Convert to fraction form
    18,570.24/25,624.63 = 11,859.79/x
  3. Step 3: Cross multiply
    18,570.24x = 25,624.63 × 11,859.79
  4. Step 4: Simplify right side
    18,570.24x = 303,902,730.63
  5. Step 5: Solve for x
    x = 303,902,730.63/18,570.24
  6. Step 6: Final answer
    x = 16,365.04

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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.