Home / 18,158.09-25,056.81-10,201.64

Finding the Fourth Proportional to 18,158.09, 25,056.81 and 10,201.64

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Solution

The fourth proportional to 18,158.09, 25,056.81 and 10,201.64 is: 14,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.09 : 25,056.81 = 10,201.64 : x
  2. Step 2: Convert to fraction form
    18,158.09/25,056.81 = 10,201.64/x
  3. Step 3: Cross multiply
    18,158.09x = 25,056.81 × 10,201.64
  4. Step 4: Simplify right side
    18,158.09x = 255,620,429.88
  5. Step 5: Solve for x
    x = 255,620,429.88/18,158.09
  6. Step 6: Final answer
    x = 14,077.50

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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.