Home / 14,103.11-19,463.07-7,815.35

Finding the Fourth Proportional to 14,103.11, 19,463.07 and 7,815.35

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Solution

The fourth proportional to 14,103.11, 19,463.07 and 7,815.35 is: 10,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.11 : 19,463.07 = 7,815.35 : x
  2. Step 2: Convert to fraction form
    14,103.11/19,463.07 = 7,815.35/x
  3. Step 3: Cross multiply
    14,103.11x = 19,463.07 × 7,815.35
  4. Step 4: Simplify right side
    14,103.11x = 152,110,606.81
  5. Step 5: Solve for x
    x = 152,110,606.81/14,103.11
  6. Step 6: Final answer
    x = 10,785.61

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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.