Home / 17,731.08-26,540.46-9,916.20

Finding the Fourth Proportional to 17,731.08, 26,540.46 and 9,916.20

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Solution

The fourth proportional to 17,731.08, 26,540.46 and 9,916.20 is: 14,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.08 : 26,540.46 = 9,916.20 : x
  2. Step 2: Convert to fraction form
    17,731.08/26,540.46 = 9,916.20/x
  3. Step 3: Cross multiply
    17,731.08x = 26,540.46 × 9,916.20
  4. Step 4: Simplify right side
    17,731.08x = 263,180,509.45
  5. Step 5: Solve for x
    x = 263,180,509.45/17,731.08
  6. Step 6: Final answer
    x = 14,842.89

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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.