Home / 13,916.77-19,204.42-7,947.27

Finding the Fourth Proportional to 13,916.77, 19,204.42 and 7,947.27

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Solution

The fourth proportional to 13,916.77, 19,204.42 and 7,947.27 is: 10,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.77 : 19,204.42 = 7,947.27 : x
  2. Step 2: Convert to fraction form
    13,916.77/19,204.42 = 7,947.27/x
  3. Step 3: Cross multiply
    13,916.77x = 19,204.42 × 7,947.27
  4. Step 4: Simplify right side
    13,916.77x = 152,622,710.93
  5. Step 5: Solve for x
    x = 152,622,710.93/13,916.77
  6. Step 6: Final answer
    x = 10,966.82

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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.