Home / 13,896.69-19,176.64-7,607.85

Finding the Fourth Proportional to 13,896.69, 19,176.64 and 7,607.85

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Solution

The fourth proportional to 13,896.69, 19,176.64 and 7,607.85 is: 10,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.69 : 19,176.64 = 7,607.85 : x
  2. Step 2: Convert to fraction form
    13,896.69/19,176.64 = 7,607.85/x
  3. Step 3: Cross multiply
    13,896.69x = 19,176.64 × 7,607.85
  4. Step 4: Simplify right side
    13,896.69x = 145,893,000.62
  5. Step 5: Solve for x
    x = 145,893,000.62/13,896.69
  6. Step 6: Final answer
    x = 10,498.40

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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.