Home / 13,962.72-19,269.76-7,676.32

Finding the Fourth Proportional to 13,962.72, 19,269.76 and 7,676.32

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Solution

The fourth proportional to 13,962.72, 19,269.76 and 7,676.32 is: 10,593.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.72 : 19,269.76 = 7,676.32 : x
  2. Step 2: Convert to fraction form
    13,962.72/19,269.76 = 7,676.32/x
  3. Step 3: Cross multiply
    13,962.72x = 19,269.76 × 7,676.32
  4. Step 4: Simplify right side
    13,962.72x = 147,920,844.08
  5. Step 5: Solve for x
    x = 147,920,844.08/13,962.72
  6. Step 6: Final answer
    x = 10,593.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.