Home / 23,685.36-35,520.34-7,886.15

Finding the Fourth Proportional to 23,685.36, 35,520.34 and 7,886.15

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Solution

The fourth proportional to 23,685.36, 35,520.34 and 7,886.15 is: 11,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,685.36 : 35,520.34 = 7,886.15 : x
  2. Step 2: Convert to fraction form
    23,685.36/35,520.34 = 7,886.15/x
  3. Step 3: Cross multiply
    23,685.36x = 35,520.34 × 7,886.15
  4. Step 4: Simplify right side
    23,685.36x = 280,118,729.29
  5. Step 5: Solve for x
    x = 280,118,729.29/23,685.36
  6. Step 6: Final answer
    x = 11,826.66

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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.