Home / 18,158.11-25,059.54-10,200.81

Finding the Fourth Proportional to 18,158.11, 25,059.54 and 10,200.81

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Solution

The fourth proportional to 18,158.11, 25,059.54 and 10,200.81 is: 14,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.11 : 25,059.54 = 10,200.81 : x
  2. Step 2: Convert to fraction form
    18,158.11/25,059.54 = 10,200.81/x
  3. Step 3: Cross multiply
    18,158.11x = 25,059.54 × 10,200.81
  4. Step 4: Simplify right side
    18,158.11x = 255,627,606.23
  5. Step 5: Solve for x
    x = 255,627,606.23/18,158.11
  6. Step 6: Final answer
    x = 14,077.88

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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.