Home / 18,146.39-25,040.81-10,591.55

Finding the Fourth Proportional to 18,146.39, 25,040.81 and 10,591.55

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Solution

The fourth proportional to 18,146.39, 25,040.81 and 10,591.55 is: 14,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.39 : 25,040.81 = 10,591.55 : x
  2. Step 2: Convert to fraction form
    18,146.39/25,040.81 = 10,591.55/x
  3. Step 3: Cross multiply
    18,146.39x = 25,040.81 × 10,591.55
  4. Step 4: Simplify right side
    18,146.39x = 265,220,991.16
  5. Step 5: Solve for x
    x = 265,220,991.16/18,146.39
  6. Step 6: Final answer
    x = 14,615.64

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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.