Home / 13,056.87-19,551.29-7,205.43

Finding the Fourth Proportional to 13,056.87, 19,551.29 and 7,205.43

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Solution

The fourth proportional to 13,056.87, 19,551.29 and 7,205.43 is: 10,789.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.87 : 19,551.29 = 7,205.43 : x
  2. Step 2: Convert to fraction form
    13,056.87/19,551.29 = 7,205.43/x
  3. Step 3: Cross multiply
    13,056.87x = 19,551.29 × 7,205.43
  4. Step 4: Simplify right side
    13,056.87x = 140,875,415.48
  5. Step 5: Solve for x
    x = 140,875,415.48/13,056.87
  6. Step 6: Final answer
    x = 10,789.37

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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.