Home / 18,999.27-28,507.10-10,232.43

Finding the Fourth Proportional to 18,999.27, 28,507.10 and 10,232.43

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Solution

The fourth proportional to 18,999.27, 28,507.10 and 10,232.43 is: 15,353.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999.27 : 28,507.10 = 10,232.43 : x
  2. Step 2: Convert to fraction form
    18,999.27/28,507.10 = 10,232.43/x
  3. Step 3: Cross multiply
    18,999.27x = 28,507.10 × 10,232.43
  4. Step 4: Simplify right side
    18,999.27x = 291,696,905.25
  5. Step 5: Solve for x
    x = 291,696,905.25/18,999.27
  6. Step 6: Final answer
    x = 15,353.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.