Home / 18,572.36-25,629.75-10,074.65

Finding the Fourth Proportional to 18,572.36, 25,629.75 and 10,074.65

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Solution

The fourth proportional to 18,572.36, 25,629.75 and 10,074.65 is: 13,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.36 : 25,629.75 = 10,074.65 : x
  2. Step 2: Convert to fraction form
    18,572.36/25,629.75 = 10,074.65/x
  3. Step 3: Cross multiply
    18,572.36x = 25,629.75 × 10,074.65
  4. Step 4: Simplify right side
    18,572.36x = 258,210,632.69
  5. Step 5: Solve for x
    x = 258,210,632.69/18,572.36
  6. Step 6: Final answer
    x = 13,902.96

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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.