Home / 18,529.35-25,570.55-10,031.56

Finding the Fourth Proportional to 18,529.35, 25,570.55 and 10,031.56

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Solution

The fourth proportional to 18,529.35, 25,570.55 and 10,031.56 is: 13,843.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.35 : 25,570.55 = 10,031.56 : x
  2. Step 2: Convert to fraction form
    18,529.35/25,570.55 = 10,031.56/x
  3. Step 3: Cross multiply
    18,529.35x = 25,570.55 × 10,031.56
  4. Step 4: Simplify right side
    18,529.35x = 256,512,555.12
  5. Step 5: Solve for x
    x = 256,512,555.12/18,529.35
  6. Step 6: Final answer
    x = 13,843.58

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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.