Home / 19,916.58-29,856.16-6,759.76

Finding the Fourth Proportional to 19,916.58, 29,856.16 and 6,759.76

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Solution

The fourth proportional to 19,916.58, 29,856.16 and 6,759.76 is: 10,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.58 : 29,856.16 = 6,759.76 : x
  2. Step 2: Convert to fraction form
    19,916.58/29,856.16 = 6,759.76/x
  3. Step 3: Cross multiply
    19,916.58x = 29,856.16 × 6,759.76
  4. Step 4: Simplify right side
    19,916.58x = 201,820,476.12
  5. Step 5: Solve for x
    x = 201,820,476.12/19,916.58
  6. Step 6: Final answer
    x = 10,133.29

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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.