Home / 18,529.36-25,570.32-10,031.34

Finding the Fourth Proportional to 18,529.36, 25,570.32 and 10,031.34

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Solution

The fourth proportional to 18,529.36, 25,570.32 and 10,031.34 is: 13,843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.36 : 25,570.32 = 10,031.34 : x
  2. Step 2: Convert to fraction form
    18,529.36/25,570.32 = 10,031.34/x
  3. Step 3: Cross multiply
    18,529.36x = 25,570.32 × 10,031.34
  4. Step 4: Simplify right side
    18,529.36x = 256,504,573.83
  5. Step 5: Solve for x
    x = 256,504,573.83/18,529.36
  6. Step 6: Final answer
    x = 13,843.14

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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.