Home / 14,104.13-19,465.11-7,817.72

Finding the Fourth Proportional to 14,104.13, 19,465.11 and 7,817.72

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Solution

The fourth proportional to 14,104.13, 19,465.11 and 7,817.72 is: 10,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.13 : 19,465.11 = 7,817.72 : x
  2. Step 2: Convert to fraction form
    14,104.13/19,465.11 = 7,817.72/x
  3. Step 3: Cross multiply
    14,104.13x = 19,465.11 × 7,817.72
  4. Step 4: Simplify right side
    14,104.13x = 152,172,682.42
  5. Step 5: Solve for x
    x = 152,172,682.42/14,104.13
  6. Step 6: Final answer
    x = 10,789.23

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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.