Home / 14,230.60-19,637.62-7,942.92

Finding the Fourth Proportional to 14,230.60, 19,637.62 and 7,942.92

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Solution

The fourth proportional to 14,230.60, 19,637.62 and 7,942.92 is: 10,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.60 : 19,637.62 = 7,942.92 : x
  2. Step 2: Convert to fraction form
    14,230.60/19,637.62 = 7,942.92/x
  3. Step 3: Cross multiply
    14,230.60x = 19,637.62 × 7,942.92
  4. Step 4: Simplify right side
    14,230.60x = 155,980,044.65
  5. Step 5: Solve for x
    x = 155,980,044.65/14,230.60
  6. Step 6: Final answer
    x = 10,960.89

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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.