Home / 13,916.92-19,205.36-7,543.57

Finding the Fourth Proportional to 13,916.92, 19,205.36 and 7,543.57

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Solution

The fourth proportional to 13,916.92, 19,205.36 and 7,543.57 is: 10,410.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.92 : 19,205.36 = 7,543.57 : x
  2. Step 2: Convert to fraction form
    13,916.92/19,205.36 = 7,543.57/x
  3. Step 3: Cross multiply
    13,916.92x = 19,205.36 × 7,543.57
  4. Step 4: Simplify right side
    13,916.92x = 144,876,977.54
  5. Step 5: Solve for x
    x = 144,876,977.54/13,916.92
  6. Step 6: Final answer
    x = 10,410.13

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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.