Home / 34,765.20-52,152.60-12,573.20

Finding the Fourth Proportional to 34,765.20, 52,152.60 and 12,573.20

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Solution

The fourth proportional to 34,765.20, 52,152.60 and 12,573.20 is: 18,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,765.20 : 52,152.60 = 12,573.20 : x
  2. Step 2: Convert to fraction form
    34,765.20/52,152.60 = 12,573.20/x
  3. Step 3: Cross multiply
    34,765.20x = 52,152.60 × 12,573.20
  4. Step 4: Simplify right side
    34,765.20x = 655,725,070.32
  5. Step 5: Solve for x
    x = 655,725,070.32/34,765.20
  6. Step 6: Final answer
    x = 18,861.54

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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.