Home / 18,525.05-25,570.32-10,572.57

Finding the Fourth Proportional to 18,525.05, 25,570.32 and 10,572.57

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Solution

The fourth proportional to 18,525.05, 25,570.32 and 10,572.57 is: 14,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.05 : 25,570.32 = 10,572.57 : x
  2. Step 2: Convert to fraction form
    18,525.05/25,570.32 = 10,572.57/x
  3. Step 3: Cross multiply
    18,525.05x = 25,570.32 × 10,572.57
  4. Step 4: Simplify right side
    18,525.05x = 270,343,958.48
  5. Step 5: Solve for x
    x = 270,343,958.48/18,525.05
  6. Step 6: Final answer
    x = 14,593.43

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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.