Home / 18,260.09-25,199.03-11,186.52

Finding the Fourth Proportional to 18,260.09, 25,199.03 and 11,186.52

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Solution

The fourth proportional to 18,260.09, 25,199.03 and 11,186.52 is: 15,437.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.09 : 25,199.03 = 11,186.52 : x
  2. Step 2: Convert to fraction form
    18,260.09/25,199.03 = 11,186.52/x
  3. Step 3: Cross multiply
    18,260.09x = 25,199.03 × 11,186.52
  4. Step 4: Simplify right side
    18,260.09x = 281,889,386.55
  5. Step 5: Solve for x
    x = 281,889,386.55/18,260.09
  6. Step 6: Final answer
    x = 15,437.46

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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.