Home / 19,120.28-26,375.29-12,034.40

Finding the Fourth Proportional to 19,120.28, 26,375.29 and 12,034.40

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Solution

The fourth proportional to 19,120.28, 26,375.29 and 12,034.40 is: 16,600.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.28 : 26,375.29 = 12,034.40 : x
  2. Step 2: Convert to fraction form
    19,120.28/26,375.29 = 12,034.40/x
  3. Step 3: Cross multiply
    19,120.28x = 26,375.29 × 12,034.40
  4. Step 4: Simplify right side
    19,120.28x = 317,410,628.01
  5. Step 5: Solve for x
    x = 317,410,628.01/19,120.28
  6. Step 6: Final answer
    x = 16,600.74

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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.