Home / 23,205.20-34,818.60-12,124.40

Finding the Fourth Proportional to 23,205.20, 34,818.60 and 12,124.40

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Solution

The fourth proportional to 23,205.20, 34,818.60 and 12,124.40 is: 18,192.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,205.20 : 34,818.60 = 12,124.40 : x
  2. Step 2: Convert to fraction form
    23,205.20/34,818.60 = 12,124.40/x
  3. Step 3: Cross multiply
    23,205.20x = 34,818.60 × 12,124.40
  4. Step 4: Simplify right side
    23,205.20x = 422,154,633.84
  5. Step 5: Solve for x
    x = 422,154,633.84/23,205.20
  6. Step 6: Final answer
    x = 18,192.24

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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.