Home / 19,983.29-29,971.58-7,330.43

Finding the Fourth Proportional to 19,983.29, 29,971.58 and 7,330.43

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Solution

The fourth proportional to 19,983.29, 29,971.58 and 7,330.43 is: 10,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.29 : 29,971.58 = 7,330.43 : x
  2. Step 2: Convert to fraction form
    19,983.29/29,971.58 = 7,330.43/x
  3. Step 3: Cross multiply
    19,983.29x = 29,971.58 × 7,330.43
  4. Step 4: Simplify right side
    19,983.29x = 219,704,532.53
  5. Step 5: Solve for x
    x = 219,704,532.53/19,983.29
  6. Step 6: Final answer
    x = 10,994.41

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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.