Home / 14,018.14-19,344.04-7,730.38

Finding the Fourth Proportional to 14,018.14, 19,344.04 and 7,730.38

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Solution

The fourth proportional to 14,018.14, 19,344.04 and 7,730.38 is: 10,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.14 : 19,344.04 = 7,730.38 : x
  2. Step 2: Convert to fraction form
    14,018.14/19,344.04 = 7,730.38/x
  3. Step 3: Cross multiply
    14,018.14x = 19,344.04 × 7,730.38
  4. Step 4: Simplify right side
    14,018.14x = 149,536,779.94
  5. Step 5: Solve for x
    x = 149,536,779.94/14,018.14
  6. Step 6: Final answer
    x = 10,667.38

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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.