Home / 18,190.65-25,104.56-10,232.40

Finding the Fourth Proportional to 18,190.65, 25,104.56 and 10,232.40

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Solution

The fourth proportional to 18,190.65, 25,104.56 and 10,232.40 is: 14,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.65 : 25,104.56 = 10,232.40 : x
  2. Step 2: Convert to fraction form
    18,190.65/25,104.56 = 10,232.40/x
  3. Step 3: Cross multiply
    18,190.65x = 25,104.56 × 10,232.40
  4. Step 4: Simplify right side
    18,190.65x = 256,879,848.58
  5. Step 5: Solve for x
    x = 256,879,848.58/18,190.65
  6. Step 6: Final answer
    x = 14,121.53

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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.