Home / 13,940.28-19,237.32-7,652.52

Finding the Fourth Proportional to 13,940.28, 19,237.32 and 7,652.52

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Solution

The fourth proportional to 13,940.28, 19,237.32 and 7,652.52 is: 10,560.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.28 : 19,237.32 = 7,652.52 : x
  2. Step 2: Convert to fraction form
    13,940.28/19,237.32 = 7,652.52/x
  3. Step 3: Cross multiply
    13,940.28x = 19,237.32 × 7,652.52
  4. Step 4: Simplify right side
    13,940.28x = 147,213,976.05
  5. Step 5: Solve for x
    x = 147,213,976.05/13,940.28
  6. Step 6: Final answer
    x = 10,560.33

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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.