Home / 18,574.56-25,631.64-10,191.60

Finding the Fourth Proportional to 18,574.56, 25,631.64 and 10,191.60

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Solution

The fourth proportional to 18,574.56, 25,631.64 and 10,191.60 is: 14,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.56 : 25,631.64 = 10,191.60 : x
  2. Step 2: Convert to fraction form
    18,574.56/25,631.64 = 10,191.60/x
  3. Step 3: Cross multiply
    18,574.56x = 25,631.64 × 10,191.60
  4. Step 4: Simplify right side
    18,574.56x = 261,227,422.22
  5. Step 5: Solve for x
    x = 261,227,422.22/18,574.56
  6. Step 6: Final answer
    x = 14,063.72

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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.