Home / 23,139.32-34,704.57-11,281.19

Finding the Fourth Proportional to 23,139.32, 34,704.57 and 11,281.19

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Solution

The fourth proportional to 23,139.32, 34,704.57 and 11,281.19 is: 16,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,139.32 : 34,704.57 = 11,281.19 : x
  2. Step 2: Convert to fraction form
    23,139.32/34,704.57 = 11,281.19/x
  3. Step 3: Cross multiply
    23,139.32x = 34,704.57 × 11,281.19
  4. Step 4: Simplify right side
    23,139.32x = 391,508,674.52
  5. Step 5: Solve for x
    x = 391,508,674.52/23,139.32
  6. Step 6: Final answer
    x = 16,919.63

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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.