Home / 35,481.18-53,217.24-10,520.64

Finding the Fourth Proportional to 35,481.18, 53,217.24 and 10,520.64

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Solution

The fourth proportional to 35,481.18, 53,217.24 and 10,520.64 is: 15,779.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,481.18 : 53,217.24 = 10,520.64 : x
  2. Step 2: Convert to fraction form
    35,481.18/53,217.24 = 10,520.64/x
  3. Step 3: Cross multiply
    35,481.18x = 53,217.24 × 10,520.64
  4. Step 4: Simplify right side
    35,481.18x = 559,879,423.83
  5. Step 5: Solve for x
    x = 559,879,423.83/35,481.18
  6. Step 6: Final answer
    x = 15,779.62

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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.