Home / 19,435.43-29,155.53-6,956.78

Finding the Fourth Proportional to 19,435.43, 29,155.53 and 6,956.78

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Solution

The fourth proportional to 19,435.43, 29,155.53 and 6,956.78 is: 10,436.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.43 : 29,155.53 = 6,956.78 : x
  2. Step 2: Convert to fraction form
    19,435.43/29,155.53 = 6,956.78/x
  3. Step 3: Cross multiply
    19,435.43x = 29,155.53 × 6,956.78
  4. Step 4: Simplify right side
    19,435.43x = 202,828,462.22
  5. Step 5: Solve for x
    x = 202,828,462.22/19,435.43
  6. Step 6: Final answer
    x = 10,436.02

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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.