Home / 14,207.92-19,607.04-7,834.36

Finding the Fourth Proportional to 14,207.92, 19,607.04 and 7,834.36

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Solution

The fourth proportional to 14,207.92, 19,607.04 and 7,834.36 is: 10,811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.92 : 19,607.04 = 7,834.36 : x
  2. Step 2: Convert to fraction form
    14,207.92/19,607.04 = 7,834.36/x
  3. Step 3: Cross multiply
    14,207.92x = 19,607.04 × 7,834.36
  4. Step 4: Simplify right side
    14,207.92x = 153,608,609.89
  5. Step 5: Solve for x
    x = 153,608,609.89/14,207.92
  6. Step 6: Final answer
    x = 10,811.48

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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.