Home / 16,520.63-24,779.70-6,653.61

Finding the Fourth Proportional to 16,520.63, 24,779.70 and 6,653.61

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Solution

The fourth proportional to 16,520.63, 24,779.70 and 6,653.61 is: 9,979.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.63 : 24,779.70 = 6,653.61 : x
  2. Step 2: Convert to fraction form
    16,520.63/24,779.70 = 6,653.61/x
  3. Step 3: Cross multiply
    16,520.63x = 24,779.70 × 6,653.61
  4. Step 4: Simplify right side
    16,520.63x = 164,874,459.72
  5. Step 5: Solve for x
    x = 164,874,459.72/16,520.63
  6. Step 6: Final answer
    x = 9,979.92

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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.