Home / 18,157.39-25,059.72-10,200.22

Finding the Fourth Proportional to 18,157.39, 25,059.72 and 10,200.22

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Solution

The fourth proportional to 18,157.39, 25,059.72 and 10,200.22 is: 14,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.39 : 25,059.72 = 10,200.22 : x
  2. Step 2: Convert to fraction form
    18,157.39/25,059.72 = 10,200.22/x
  3. Step 3: Cross multiply
    18,157.39x = 25,059.72 × 10,200.22
  4. Step 4: Simplify right side
    18,157.39x = 255,614,657.14
  5. Step 5: Solve for x
    x = 255,614,657.14/18,157.39
  6. Step 6: Final answer
    x = 14,077.72

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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.