Home / 18,529.40-25,570.54-10,031.48

Finding the Fourth Proportional to 18,529.40, 25,570.54 and 10,031.48

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Solution

The fourth proportional to 18,529.40, 25,570.54 and 10,031.48 is: 13,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.40 : 25,570.54 = 10,031.48 : x
  2. Step 2: Convert to fraction form
    18,529.40/25,570.54 = 10,031.48/x
  3. Step 3: Cross multiply
    18,529.40x = 25,570.54 × 10,031.48
  4. Step 4: Simplify right side
    18,529.40x = 256,510,360.60
  5. Step 5: Solve for x
    x = 256,510,360.60/18,529.40
  6. Step 6: Final answer
    x = 13,843.43

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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.