Home / 18,912.28-26,099.40-10,528.24

Finding the Fourth Proportional to 18,912.28, 26,099.40 and 10,528.24

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Solution

The fourth proportional to 18,912.28, 26,099.40 and 10,528.24 is: 14,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912.28 : 26,099.40 = 10,528.24 : x
  2. Step 2: Convert to fraction form
    18,912.28/26,099.40 = 10,528.24/x
  3. Step 3: Cross multiply
    18,912.28x = 26,099.40 × 10,528.24
  4. Step 4: Simplify right side
    18,912.28x = 274,780,747.06
  5. Step 5: Solve for x
    x = 274,780,747.06/18,912.28
  6. Step 6: Final answer
    x = 14,529.22

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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.