Home / 19,433.14-29,139.36-7,590.94

Finding the Fourth Proportional to 19,433.14, 29,139.36 and 7,590.94

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Solution

The fourth proportional to 19,433.14, 29,139.36 and 7,590.94 is: 11,382.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.14 : 29,139.36 = 7,590.94 : x
  2. Step 2: Convert to fraction form
    19,433.14/29,139.36 = 7,590.94/x
  3. Step 3: Cross multiply
    19,433.14x = 29,139.36 × 7,590.94
  4. Step 4: Simplify right side
    19,433.14x = 221,195,133.40
  5. Step 5: Solve for x
    x = 221,195,133.40/19,433.14
  6. Step 6: Final answer
    x = 11,382.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.