Home / 23,385.42-35,088.35-12,289.50

Finding the Fourth Proportional to 23,385.42, 35,088.35 and 12,289.50

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Solution

The fourth proportional to 23,385.42, 35,088.35 and 12,289.50 is: 18,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,385.42 : 35,088.35 = 12,289.50 : x
  2. Step 2: Convert to fraction form
    23,385.42/35,088.35 = 12,289.50/x
  3. Step 3: Cross multiply
    23,385.42x = 35,088.35 × 12,289.50
  4. Step 4: Simplify right side
    23,385.42x = 431,218,215.88
  5. Step 5: Solve for x
    x = 431,218,215.88/23,385.42
  6. Step 6: Final answer
    x = 18,439.62

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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.